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2. 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-filter ...

3. 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.

4. History of water filters - Wikipedia

   en.wikipedia.org/wiki/History_of_water_filters

   The history of water filters can be traced to the earliest civilisations with written records. Water filters have been used throughout history to improve the safety and aesthetics of water intended to be used for drinking or bathing. In modern times, they are also widely used in industry and commerce. The history of water filtration is closely ...

5. Water filter - Wikipedia

   en.wikipedia.org/wiki/Water_filter

   These usually filter water by working a mechanical hand pump, although some use a siphon drip system to force water through, while others are built into water bottles. Dirty water is pumped via a screen-filtered flexible silicon tube through a specialized filter, ending up in a container.

6. 93+ best 4th of July sales to shop - AOL

   www.aol.com/news/93-best-4th-july-sales...

   REI BeFree Water Filter Bottle $ at REI. 4.2-star average rating from 471 reviews at REI. This filtering water bottle allows you to safely stay hydrated when outdoors. It can filter out bacteria ...

7. Nanotechnology for water purification - Wikipedia

   en.wikipedia.org/wiki/Nanotechnology_for_water...

   Nanotechnology is the process of manipulating atoms on a nanoscale. [1] In nanotechnology, nanomembranes are used with the purpose of softening the water and removal of contaminants such as physical, biological and chemical contaminants. There are variety of techniques in nanotechnology which uses nanoparticles for providing safe drinking water ...