6 Things You May Not Know About Refrigerator Water Filters


As one of the most important household appliances, refrigerator water filters are not strange to many of us. Usually, they are used to remove contaminants and other particulates from tap water. But do you know any other interesting things about filters? To help you obtain more information, I would like to edit this post.


What makes filters?

The most common substance used to make filters is activated carbon. This carbon is typically made from charcoal, though it may also be made with nutshells or wood.


What’s the working principles of filters?

Filters work to remove contaminants and other particulates from tap water by forcing the water through the activated carbon inside the filters. The carbon serves as a pollutant collection center targeting some 24 harmful substances such as minerals, chemicals, bacteria and other microscopic organisms that can cause poor taste or potentially serious illness.


Must you change your filter every six months?

On average, you should change your filter every six months. But it can vary widely based on factors such as the number of contaminants in your water as well as how much water you and your family drink. In general, a filter can filter 200-300 gallons of water.


Low-quality filters pose a threat to your health

The risk is, low-quality filters will not catch as many contaminants, while the manufacturing process can also introduce impurities directly into the filters. The pollutants pose a threat to you and your family’s health by potentially causing serious illness.


Used filter cartridges can be used for growing plants

To protect the environment, please don’t throw away your used filter after it reaches the expiration date. The filter cartridge can not only be used for recycling, but also for growing plants after you clean it with water and bleach.


Manufacturers sell filters at higher prices

You don’t have to purchase filters directly from your refrigerator manufacturers, especially since most of them sell filters at higher prices. I recommend you to place orders on gpfilter.com. Filters on the shopping site have the best prices and quality I have ever seen.


Knowledge Before You Buy:

About: Refrigerator Water Filter's principle.

About: Whether Refrigerator water filters remove fluoride and chloride or not

About: What contaminants exactly removed by filters 

About: What would happen run without a filter?


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GPE001 for Whirlpool Filter 1 Frigidaire ULTRAWF, Kenmore 9999 4396841 Filter for Whirlpool Filter 3 Filter 2, EDR2RXD1, W10413645A  Frigidaire WF3CB, PureSource 3 Frigidaire EPTWFU01, Pure Source Ultra II

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  • Bruce Gao
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