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2. Berkefeld filter - Wikipedia

   en.wikipedia.org/wiki/Berkefeld_filter

   Berkefeld filter. A Berkefeld filter[ 1] is a water filter made of diatomaceous earth ( Kieselguhr ). 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.

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. [2]

4. Water filter - Wikipedia

   en.wikipedia.org/wiki/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 swimming pools .

5. Welcome to Beautiful Parkersburg, West Virginia - The ...

   highline.huffingtonpost.com/articles/en/welcome...

   By September 2004, DuPont had agreed to settle the Kigers’ class-action lawsuit, which now included more than 80,000 plaintiffs, for up to $374 million. The company promised to install filtration systems in contaminated water districts and put $70 million into a health and education project to benefit community residents.

6. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out for a variety of ...

7. Experts Say These Gluten-Free Meal Kits Are Actually ... - AOL

   www.aol.com/gluten-free-meal-kits-actually...

   On our list, gluten-free meal kits range from $8.99 to $23 per serving, with options to fit any taste and budget. ... Hungryroot's meal delivery allows you to filter by dietary restriction ...