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Now, many families have installed water purifiers. As an important component of the water purifier, the Water Filter Cartridges https://www.kokoelectric.com/product/water-filter-cartridges/ filters various impurities in the water to ensure the quality of the water. Because of this, the water filter cartridges is a consumable and needs to be replaced after a period of use to ensure the purification function of the water purifier. So, what should I do if the water filter cannot be turned off?

Tell everyone, generally speaking, when installing the water filter cartridges, the installer will tighten the lid of the water filter cartridges very tightly. In addition, some water filter cartridges have good quality and take a long time to replace, which will lead to the problem that the water filter cartridges cannot be unscrewed. People don't need to worry too much. Generally speaking, if the water filter cartridges cannot be unscrewed, it can be operated with a professional wrench provided with the water purifier. If no accident occurs, the given wrench can basically solve this problem. Therefore, the fine filter reminds everyone to make sure that all parts and components of the water purifier are fully equipped when purchasing. If the wrench cannot be unscrewed, then everyone can use lubricating oil, detergent and other things to lubricate first. If there is no way to unscrew the water filter no matter how hard and how many methods are used, only contact professional after-sales personnel to solve this problem. This also means that when people buy water purifiers or water purifier accessories, it is best to find those manufacturers with perfect after-sales service, and problems can be solved quickly.

In short, the replacement of the water filter cartridges is an important step in the use of the water purifier. No matter what problems arise in the replacement of the water filter cartridges, everyone should actively solve them and do not put them aside because they are too troublesome. After all, the water filter cartridges is an important component to ensure the water quality of the water purifier.

For more product details, please click on our official website: https://www.kokoelectric.com/

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Components of Water Filter Spare Parts https://www.kokoelectric.com/ generally include PP cotton filter element, activated carbon filter element (front), RO reverse osmosis membrane filter element.

Raw water reaches the water storage tank after passing through the filter element assembly of the host machine, and water from the water storage tank reaches the faucet after passing through the rear activated carbon filter element.

From the above description of the process, it can be seen that the function of the rear activated carbon filter element is different from that of the front activated carbon filter element.

Because RO membrane has high precision, great filtration resistance and slow water production speed, only slowly purified water can be stored in a pressure water storage tank.

A rubber airbag is placed in the pressure tank, and the water pressure is released through the pressure between the water storage airbag and the tank body. In this case, the purified water will have a little bit of rubber smell after contacting the rubber for a long time, which will have a certain impact on the taste.

In order to prevent and eliminate this peculiar smell caused by rubber, engineers have installed a level of post activated carbon behind the water storage tank, which is its function.

After the function of the post activated carbon is clearly understood, it is easier to judge its replacement cycle.

1, using the contrast method

As the pre-activated carbon takes on the role of adsorbing other pollutants in water, including residual chlorine, the filter element period is generally only about 6-12 months. However, the pollutants to be intercepted by the rear activated carbon are much less than those in the front. Therefore, the replacement period is longer than that of pre-activated carbon. If the replacement period of pre-activated carbon is 12 months, it is suggested that the replacement period of post-activated carbon is 2-3 times of 12 months.

2. Taste sensation method

After using the water filter for a period of time, if you feel that the taste has a little peculiar smell, it is recommended to replace the post activated carbon immediately. If you do not feel any peculiar smell all the time, it is recommended that the replacement period should not exceed 48 months.

3. Special circumstances

If the water storage tank needs to be replaced during use, it is recommended to replace the rear activated carbon filter element at the same time.

For more product details, please click on our official website: https://www.kokoelectric.com/

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I often see people asking such questions as which is better, ultrafiltration membrane or reverse osmosis water purifier. The following Reverse Osmosis Systems Manufacturer https://www.kokoelectric.com/product/reverse-osmosis-systems/ will make a simple comparison for everyone. First, let's talk about ultrafiltration membrane.

Ultrafiltration water purifier: The core filter element of the ultrafiltration water purifier is an ultrafiltration membrane, and the pore diameter of the ultrafiltration membrane ranges from 0.1 to 0.111 microns. Bacteria, silt, macromolecular organic matters, rust and the like in water can be trapped by the ultrafiltration membrane, while dissolved odor, pigment, organic matters and inorganic matters in water can pass through the membrane together with water molecules. Therefore, the ultrafiltration water purifier cannot filter out the residual chlorine in the water. Boiled water may also produce scale.

Reverse osmosis water purifier: The principle of reverse osmosis is a popular water purification method in the world. The core filter element of a reverse osmosis water purifier is a reverse osmosis membrane with a pore diameter of only 0.0001 microns, while even small viruses have a diameter of 0.2 microns, so they cannot pass through the reverse osmosis membrane. In addition, heavy metals, inorganic salts, organic matters, bacteria and the like dissolved in water cannot pass through the reverse osmosis membrane. Water passing through the reverse osmosis membrane can reach the direct drinking standard.

Comparison of Advantages and Disadvantages between Ultrafiltration Water Purifier and Reverse Osmosis Water Purifier;

The quality of the water filtered by the reverse osmosis water purifier is safe, various harmful substances in the water can be removed, the hardness of the water can be reduced, and scale cannot be generated. However, the power consumption is relatively high, and there are more joints, the structure is complex, and the price is high.

In contrast, the ultra-filtration water purifier consumes less electricity, has fewer connectors, has a simple structure and is cheap. However, it cannot effectively remove the chemical pollutants in the water, and cannot reduce the hardness of the water, which will produce scale.

No matter what type of aircraft, the most important thing is to look at the local water quality, and please don't blindly follow the trend. You can ask professional personnel before selecting, and then choose according to your own situation after comparison.

For more product details, please click on our official website: https://www.kokoelectric.com/

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Nowadays, water decoration has been rapidly integrated into family decoration to provide more families with healthy water. Water decoration is also the installation of Water Purifier Spare Parts. Before installing water purifier spare parts https://www.kokoelectric.com/ , the installation method must first be designed, which is convenient and beautiful. But how can this be done?

When installing water purifier spare parts, not only long-term use but also future maintenance and repair issues should be considered. If you want to do these aspects well, you can do the following:

1. For any water purifier spare parts involved, it is not suitable to be installed in the place where the sun shines, and there are certain requirements for the environment. It is better not to be lower than 0℃ and higher than 40℃, so as to avoid frost cracking and algae growth in the pipeline.

2. According to the requirements of the installation, make a reservation before decoration, keep the power socket and drain outlet.

3. Professional engineer Fu is required to carry out the installation. After the installation is completed, the engineer will carry out debugging to ensure the normal operation of water purifier spare parts.

4. It should be noted that future equipment maintenance should not be affected due to aesthetic problems in installation. Water purifier spare parts are consumables and replacement of filter elements should be carried out regularly. Therefore, care should be taken not to affect future equipment maintenance during installation.

Finally, the installation of water purifier spare parts should not only pursue beauty but also be practical. Therefore, it is best for everyone to choose a professional water purification service provider, and the perfect design can meet everyone's requirements for beauty.

For more product details, please click on our official website: https://www.kokoelectric.com/

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As we all know, the reverse osmosis water purifier is currently the most accurate water purifier on the market. In order to better purify the water quality, the reverse osmosis water purifier will connect a waste water pipe when working, which is specially used to discharge wastewater. What is this wastewater? The following Reverse Osmosis Systems Manufacturer https://www.kokoelectric.com/product/reverse-osmosis-systems/ will introduce it to you.

On the one hand, the generation of wastewater is determined by the working principle of reverse osmosis water purifier. The working process of the reverse osmosis membrane is actually a process of liquid concentration: when tap water is filtered through the reverse osmosis membrane, the salt content and osmotic pressure in the water continuously increase. when the osmotic pressure increases to the pressure of the booster pump, the water cannot pass through the reverse osmosis membrane.

The main components of wastewater are bacteria, viruses, organic matters, heavy metal ions and other harmful impurities intercepted by RO reverse osmosis membrane. This part of "concentrated water" with a high content of organic matters, metal ions, etc. will be discharged to form "waste water".

On the other hand, the water purifier will also produce waste water when automatically flushing the filter element. After RO reverse osmosis membrane works for a period of time, water molecules flow out from one side under the action of pressure to become pure direct drinking water, while the remaining "garbage" in the water is intercepted by RO membrane. When they accumulate to a certain extent, they will cause RO membrane blockage and affect the service life.

In order to avoid this situation, the water purifier will flush the RO membrane through automatic backwashing technology, and timely discharge the trapped substances in the membrane. This part of the water flushing the filter element will also be discharged with the waste water.

Therefore, the wastewater produced by the reverse osmosis water purifier is to ensure clean and safe water quality and to prolong the service life of the reverse osmosis filter element.

For more product details, please click on our official website: https://www.kokoelectric.com/

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Many friends are using Tap Filter & Shower Filter https://www.kokoelectric.com/product/tap-filter-shower-filter/ , but they are also confused. They often think that tap filter & shower filter are very useful because once the faucet itself has no effect, we can use the tap filter & shower filter to prevent it from being polluted. Therefore, we must use clean taps to make sense.

Tap filter & shower filter adopt porous inorganic microfiltration technology and are made of pure natural diatomite and sintered at high temperature. It can filter suspended pollutants such as parasites and sediments in water, effectively remove bacteria, algae and chlorine, and harmful dissolved heavy metal ions (lead, cadmium, chromium, etc.) to provide safe and healthy drinking water for washing vegetables and rice.

The main function of the tap filter & shower filter is the filter element. The tap filter & shower filter have certain effects, and the functions of different filter elements are different. The tap filter & shower filter element adopt super filter element, with a filtering accuracy of 0.01 micron, which can filter out bacteria, colloid, rust, residual chlorine, etc. and can directly discharge water. Using a ceramic core, the filtering accuracy is 0.1-0.5 microns, which can be filtered out. Pathogenic bacteria, colloid, rust, residual chlorine, etc. can also be used with sintered carbon rod filter, which can filter out rust and sediment, colloid, residual chlorine, etc. to improve the taste of tap water.

For more product details, please click on our official website: https://www.kokoelectric.com/

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Water Filter Cartridges(KOKOELECTRIC) https://www.kokoelectric.com/product/water-filter-cartridges/ for water purification products have different filtration effects and effects on water quality depending on the raw materials used. The common ones are mainly material barrier filtration and adsorption functions, such as PPcotton water filtration cartridges and activated carbon water filtration cartridges. With the extension of service time, impurities in the water will block the water filter cartridge and the activated carbon water filter cartridge will be saturated with adsorption. Generally speaking, PP water filter cartridge needs to be replaced in 3 months and activated carbon water filter cartridge needs to be replaced in 6 months. Neither of these two kinds of water filter cartridges can effectively remove bacteria and organic pollutants. Saturation failure is not easy to find.

Hollow fibres and nanoceramics are all filtered by pure physical barrier. Their filtration accuracy can reach 0.1-0.01um, which can effectively filter out bacteria and harmful substances. The water filtered by the purified water products using the two water filter cartridges can be directly drunk. Hollow fibres are usually placed at the back end of PP cotton and activated carbon for use because they cannot be cleaned, otherwise, they are easy to be blocked and need to be replaced for 1-2 years when used as the end sterilization of water purification equipment.

Nano-ceramics are sintered from natural diatomite, which has better filtering effect and 100% removal of bacteria and impurities. When there are too many impurities, the water outlet flow of the water filter cartridge will be reduced, which is convenient to control the cleaning time. Due to the high strength of the water filter cartridge, it can be repeatedly scrubbed for 50-100 times, and the filtering effect of the water filter cartridge can be seen every time it is cleaned. It is the direct drinking water purification product water filter cartridge with the best and safest effect and the longest use time at present.

Water purifier is a good product, which can save a lot of living costs and improve the quality of our water. Moreover, the water purifier market has great development potential.

For more details, please click:https://www.kokoelectric.com/


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With the increase in water pollution in China, the safety of domestic drinking water has received extensive public attention. Installing a household water purifier is an effective way to ensure the cleanliness of drinking water, so water purifier has gradually become a hot topic for families to buy. However, the current hot water purifier market is full of mixed phenomena. Consumers must keep their eyes open if they want to buy qualified water purifier products. Today, the Reverse Osmosis Systems Manufacturer(KOKOELECTRIC) https://www.kokoelectric.com/product/reverse-osmosis-systems/ will tell you two major misconceptions about domestic water purifier.

First, not all the water filtered by the household water purifier can be drunk directly.

Some consumers think that the water purified by the household water purifier can be drunk directly. This idea is wrong. Household water purifiers are also divided into ultrafiltration, microfiltration and reverse osmosis. Microfiltration can only effectively intercept a large number of harmful substances in tap water, such as sediment, rust, colloid, suspended solids and impurities, and the purified water cannot meet the direct drinking standard. Therefore, not all household water purifiers can be directly drunk.

Second, domestic water purifiers cannot ignore the service life of filter elements.

Users who are not familiar with the water purifier often do not know how to maintain the water purifier, especially the life and replacement of the filter element. In fact, the filter element is the core component of the water purifier, which can block pollutants and has a certain service life. The general water purifier has the function of reminding the filter replacement. The filter element must be replaced when the water purifier reminds the replacement or completes the rated total purified water quantity in 2 to 3 years. If the filter element is not replaced in time, the household water purifier will not be able to obtain the proper water purification effect.

If you are interested in our products, you can click Tap Filter & Shower Filter https://www.kokoelectric.com/product/tap-filter-shower-filter/ to learn more information.


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Water sources may be contaminated with bacteria, heavy metals, and other pollutants. Tap Filter & Shower Filter(KOKOELECTRIC) https://www.kokoelectric.com/product/tap-filter-shower-filter/ are common methods of water filtration and are available in a variety of types. The charcoal filter can be mounted on a faucet for use in a sink in a kitchen or bathroom, or on a shower for use in a bathroom. The carbon of the filter comes from charcoal and these terms are used interchangeably. Carbon filters solve some water problems but can cause other problems.

According to North Carolina State University, carbon filters help remove organic compounds that degrade water and odor. A disadvantage of carbon filters is that they do not filter out heavy metals, fluorides, bacteria or microorganisms that may be present in the water. According to the Environmental Working Group, there are more than 300 pollutants in tap water in the United States. According to environmental disease resources, the fact that carbon filters have a short service life and need to be replaced frequently exacerbates this problem.

According to North Carolina State University, in order for a carbon filter to be practical, the filter must contain enough carbon to be effective. Otherwise, the filter will not remove contaminants from the water.

Another problem with carbon filtration is the effective time of the water that needs to be in contact with the filter. The longer the water stays in the carbon filter, the better the filtration. Most countertop carbon filter units do not allow the water filter to have sufficient time to effectively remove impurities.

The life cycle of each filter element depends on the size and type of carbon unit. The service period can be assessed by the number of gallons or months used. Either way, it is important to periodically change the filter to ensure proper water filtration.

If you are interested in our products, you can click Water Filter Cartridges https://www.kokoelectric.com/product/water-filter-cartridges/ to learn more information.


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As the water dispenser products have been changed, the functions promoted are increasing. Naturally, the Water Dispenser With Filtration(KOKOELECTRIC) https://www.kokoelectric.com/product/water-dispenser-with-filtration/ has become the favorite of consumers. Thanks to the filtered drinking water dispenser with a filter configuration for direct drinking. In the meantime, the filter element needs to be replaced regularly, but many people do not know how to replace the filter element.

As the water dispenser products have been changed, the functions promoted are increasing. Naturally, the water dispenser with filtration has become the favorite of consumers. Because the straight drinking fountain has a filter configuration to achieve the effect of direct drinking. In the meantime, the filter element needs to be replaced regularly, but many people don't know how to replace the filter element. The method is as follows.

1. We must first unplug the power supply and close the water inlet to avoid unnecessary trouble.

2. Unscrew the filter element with a small tool that is delivered by a straight drinking fountain. There must be a small amount of water inside the filter element. It is best to take the basin or dry mop pad on the floor.

3. After removing it, the filter element will have a black O-ring, so don't lose it.

4. Take out the old filter element inside the filter housing and put the new one into it. There will also be a gasket at the bottom of the filter element. If it is not, it will directly affect the effect.

5. Before installing the filter element, it is best to rinse the new filter element with water. Then put it into the filter housing and use the tool to mount the filter housing in place.

6, open the water inlet and the water dispenser faucet, let the filter core wash, about 10 minutes.

7. Check for leaks everywhere. If not, you can turn on the power and use it normally.

If you are interested in our products, you can click Water Filter Spare Parts https://www.kokoelectric.com/ to learn more information.

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The connection modes of Water Purifier Spare Parts(KOKOELECTRIC) https://www.kokoelectric.com/, that is, the connection modes of different filter materials, can be generally divided into module connection and pipeline connection.

Modular connection means that the filter element is connected to the machine body or the water path through a connection module to realize the organic connection of different filter materials so that the product is easy to maintain and expand and the performance of the whole machine is more stable. The convenience brought by the modular structure is self-evident. The filter materials are convenient and safe to replace, self-replace, do not need tools, do not need workers to visit, and it is important that no leakage phenomenon occurs. At present, water purifiers produced in Europe, America and other countries mostly adopt modular connection.

Pipeline connection is also a connection method of water purifier, which is still used by domestic enterprises and a few foreign enterprises. Pipeline connection means connecting different filter materials together through pipelines. When replacing filter materials, the pipeline connection requires professionals to replace them through professional tools, which is time-consuming and laborious. Replacing the filter material many times will affect the connection effect and sealing effect, and the problem of loose connection or leakage will easily occur.

Due to the characteristics of water purification products such as frequent removal and replacement of filter elements and wading seals, the connection mode is an important indicator of the service life of the products, and the service life of water purifiers connected by pipelines is short and cannot be guaranteed. The service life of the water purifier connected by modules should be relatively stable and long.

If you are interested in our products, you can click Water Filter Cartridges https://www.kokoelectric.com/product/water-filter-cartridges/ to learn more information.


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With people's attention to drinking water safety, the reverse osmosis water purifier is gradually becoming the mainstream of modern household water purification products. It adopts reverse osmosis filtration technology. The core element is the reverse osmosis membrane. Only water molecules can pass through the reverse osmosis membrane and remain for drinking. Bacteria, viruses (including SARS virus and the world's smallest mad cow virus can be effectively intercepted), scale, heavy metal ions, radioactive substances and other harmful substances, various pollutants and soluble salt ions cannot penetrate through the membrane but become concentrated water to be discharged. The Reverse Osmosis Systems Manufacturer(KOKOELECTRIC) https://www.kokoelectric.com/product/reverse-osmosis-systems/ ensures the safety and reliability of the effluent quality and does not have the problem of water source pollution.

The reverse osmosis water purifier is favoured by consumers because of its small size, easy installation, and easy connection with tap water. The reverse osmosis water purifier consists of a five-stage filtration system. After five-stage purification, tap water will be changed into pure water that can be directly drunk. The following is a detailed explanation of the specific filtration system of the reverse osmosis systems manufacturer:

Level 1: PP5 μ fiber filter element to remove suspended substances in water larger than 5 μ, such as sand, rust, copper rust, phosphorus pollution, etc.

The second stage: granular activated carbon filter element, which adsorbs off-flavour of different colors, chlorine and chlorine by-products, etc.

The third stage: sintered activated carbon filter element, which can remove chlorine, organic chemicals, different colors, peculiar smell and suspended particles of sludge in water.

The fourth stage: reverse osmosis membrane, which can completely remove impurities such as bacteria, viruses, organic matters, heavy metal ions harmful to the human body and other soluble ions, etc.

Level 5: Post activated carbon filter element to further remove peculiar smell and residual chlorine, adjust water quality properties, improve taste and make water more sweet and delicious.

If you are interested in our products, you can click Water Dispenser Tap & Faucet https://www.kokoelectric.com/product/water-dispenser-tap-faucet/ to learn more information.


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Due to the different water quality in different places, the service life of the Water Filter Cartridges(KOKOELECTRIC) https://www.kokoelectric.com/product/water-filter-cartridges/ is also different. However, no matter how long the service period is, it is only a matter of time before the water filter cartridges are replaced. The following three situations indicate that the water filter cartridges need to be replaced.

First, the water produced by the water purifier becomes smaller. Under the same conditions, the water produced by the water purifier becomes less, so it is very likely that the water filter cartridges are blocked, a large amount of sediment in the water will block the water filter cartridges, or the water filter cartridges of the water purifier is close to its service life, so it is necessary to replace the water filter cartridges with a new one.

Second, the taste of the water from the purifier is poor. This kind of situation occurs because there are too many impurities and bacteria filtered by the water filter cartridges of the water purifier, and the accumulated time at the water filter cartridges is too long, resulting in secondary pollution to natural water. This tells us that we need to replace the water filter cartridges.

Third, the water purifier is estimated to have reached 80% of the service life of the water filter cartridges according to time. The service life of the water filter cartridges is the ideal service life of the water filter cartridges of the water purifier. The water quality in each area is different, resulting in the different service life of the water filter cartridges. For example, in areas with poor water quality, the replacement time of the water filter cartridges will be shorter, but in areas with better water quality, the replacement time can be longer appropriately.

We do not recommend that the water filter cartridges of the water purifier be replaced only when the ideal life is reached. It is better to replace the water filter cartridges at about 80% of the ideal life, so as to better protect our drinking water health.

If you are interested in our products, you can click Water Purifier Spare Parts https://www.kokoelectric.com/ to learn more information.


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Many consumers are not very familiar with how to maintain the fittings of the water purifier when using the water purifier, thus causing quality problems of the water purifier. For Water Purifier Spare Parts(KOKOELECTRIC) https://www.kokoelectric.com/ , it also needs to be protected so that you can use it safely.

Water purifier spare parts maintenance, there are a lot of exquisite:

1. Avoid direct sunlight

No matter what kind of water purification equipment, attention should be paid to avoid direct sunlight, because sunlight can breed blue algae, so the water purifier should be properly protected. If it is to be placed on the balcony or in a place where direct sunlight is likely to reach during installation, it is recommended to build a sunshade cover and baffle near the water purifier, which will have the effect of preventing algae.

2. Avoid heat sources

If it is too close to the water heater, long-term baking will affect the service life of plastic parts. After installation, the original users of bottled water made their own bottled water, thus drinking water is safer, more convenient and cheaper. However, it should be noted here that the bucket should be cleaned with the first effluent before making water.

3. The correct use of water purifier spare parts

In addition, while using the water purifier, there are still some methods and techniques. Generally, when cleaning the filter element, the filter element is taken out and cleaned, and then installed according to the original position. In addition, the installation process is very simple and quick and does not require any professional technology, so that when you use or clean, you do not have to worry about much trouble. When you really operate, it is really simple.

If you are interested in our products, you can click Water Filter Cartridges https://www.kokoelectric.com/product/water-filter-cartridges/ to learn more information.


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Many people are asking why Reverse Osmosis Systems Manufacturer(KOKOELECTRIC) https://www.kokoelectric.com/product/reverse-osmosis-systems/ are very popular with home consumers because of the variety of water purifiers.

The RO reverse osmosis membrane filters tap water through the reverse osmosis membrane by applying a certain pressure to the water. As the pore diameter of the filter element of the membrane reaches 1/10000 micron, the filtration accuracy of the reverse osmosis membrane can reach nanometer level, which can filter out almost all impurities such as radioactive ions, viruses, bacteria, fluorescent substances, pesticides, water alkali and heavy metals in the water, filter out all toxic and harmful substances in the water, and only allow water molecules to pass through, thus ensuring the purity of the water. RO reverse osmosis water purifier can reduce the hardness of water, ensuring that scale will not be generated when boiling water, the taste of the effluent is sweet, and ensuring the health of family members. Especially for the heavily polluted disaster areas, it has a good filtering effect.

Compared with other water purifiers, reverse osmosis water purifiers have better effluent taste and removal effect of chemical pollutants in water, and can reduce the hardness of water to achieve soft water effect. Many technical advantages are superior to other water purifiers, which is also the main reason why they have always been loved by family consumers.

If you are interested in our products, you can click Water Dispenser Tap & Faucet https://www.kokoelectric.com/product/water-dispenser-tap-faucet/ to learn more information.

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