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2. Water filter - Wikipedia

   en.wikipedia.org/wiki/Water_filter

   Water filter. A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation, accessible drinking water, public and private aquariums, and the safe use of ponds and ...

3. Ceramic water filter - Wikipedia

   en.wikipedia.org/wiki/Ceramic_water_filter

   A Victorian ceramic water filter. Ceramic water filters (CWF) are an inexpensive and effective type of water filter that rely on the small pore size of ceramic material to filter dirt, debris, and bacteria out of water. This makes them ideal for use in developing countries, [1] and portable ceramic filters are commonly used in backpacking.

4. Coway (company) - Wikipedia

   en.wikipedia.org/wiki/Coway_(company)

   Coway Malaysia Sdn. Bhd. Website. coway.com. Coway Co., Ltd. (Korean: 코웨이 주식회사)is an international manufacturer of household appliances, water purifiers, air purifiers, bidets, water softeners, and mattresses from South Korea. [2][3][4] Founded and headquartered in Seoul, Coway is the largest water purifier company in the country ...

5. Berkefeld filter - Wikipedia

   en.wikipedia.org/wiki/Berkefeld_filter

   Schematic diagram of a Berkefeld filter Berkefeld field filter. A Berkefeld filter [1] is a water filter made of diatomaceous earth ().It was invented in Germany in 1891, and by 1922 was being marketed in the United Kingdom by the Berkefeld Filter Co. [2] Berkefeld was the name of the owner of the mine in Hanover, Germany, where the ceramic material was obtained.

6. Biosand filter - Wikipedia

   en.wikipedia.org/wiki/BioSand_Filter

   Biosand filter. A biosand filter (BSF) is a point-of-use water treatment system adapted from traditional slow sand filters. Biosand filters remove pathogens and suspended solids from water using biological and physical processes that take place in a sand column covered with a biofilm. BSFs have been shown to remove heavy metals, turbidity ...

7. Chamberland filter - Wikipedia

   en.wikipedia.org/wiki/Chamberland_filter

   The Pasteur-Chamberland filter is as useful as other ceramic and porcelain filters. It is a good bacterial water filter used mainly as a high volume water filter. [2] [3] The filter works more quickly when the water supplied is under pressure. As with other filters of its kind, it cannot filter very small particles like viruses or mycoplasma.