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2. Portable water purification - Wikipedia

   en.wikipedia.org/wiki/Portable_water_purification

   The Portable Aqua Unit for Lifesaving (short PAUL) is a portable ultrafiltration-based membrane water filter for humanitarian aid. It allows the decentralized supply of clean water in emergency and disaster situations for about 400 persons per unit per day. The filter is designed to function with neither chemicals nor energy nor trained personnel.

3. LifeSaver bottle - Wikipedia

   en.wikipedia.org/wiki/LifeSaver_bottle

   The LiveSaver bottle has been used by soldiers for drinking water as well as cleaning wounds. [ 2][ 3][ 4] To filter the water, one puts contaminated water in the back of the bottle, then screws the lid on. The lid has a built in pump which is operated manually with a hand; the pumping action forces the contaminated water through the nano ...

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. 5 best lab-tested air purifiers - AOL

   www.aol.com/news/5-best-lab-tested-air-144708356...

   Honeywell HPA304 $ at Amazon. Honeywell HPA304 $ at Walmart. This air purifier is a good fit if you need strong filtration for a large space. According to AHAM lab results, it has a very high CADR ...

6. A good egg: this laundry hack will save you hundreds in ...

   www.aol.com/lifestyle/could-this-tiny-15-egg...

   Well, you fill the egg with the included white mineral pellets (which dissolve over time) and dark ceramic pellets (which never need replacing). Then it, and you, are set for months. You throw it ...

7. LifeStraw - Wikipedia

   en.wikipedia.org/wiki/LifeStraw

   LifeStraw is a brand of water filtration and purification devices. The original LifeStraw was designed as a portable water filter "straw". It filters a maximum of 4,000 litres of water, enough for one person for three years. It removes almost all waterborne bacteria, microplastics and parasites. [ 1] A bottle was later developed which ...