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Water Filters

A water filter is a device which removes impurities from water by means of a fine physical barrier, chemical process and/or biological process. Filters are used to cleanse water for irrigation, drinking water, aquariums, and swimming pools. more...

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Uses

Water can be cleaned using a variety of different types of water filters, both for drinking and other purposes. Filtration forms a key stage in many waste water and drinking water treatement systems. In the case of drinking water, filtration tends to be carried out by the supplier prior to the water's entry into the distribution system. Additional filtration may be carried out by consumers at their premises using any of several types of domestic water filter.

Domestic water filters are primarily used to remove chemicals and metals such as chlorine and lead. Water filters can be used for preventative health reasons in the case of harmful substances, or for reasons of aesthetics, to improve the taste, colour or odour of drinking water. Domestic water filters can be attached directly to a tap, attached to the domestic water supply before the tap, or filters can be used at the point of use or in a portable unit.

Methods of filtration

The physics of water filters is based on sieving, adsorption, ion exchanges and other processes. Unlike a sieve or screen, a filter can remove particles much smaller than the holes through which the water passes.

Types of filters

Water treatment plant filters

Types of water filters include media filters, screen filters, disk filters, slow sand filter beds, rapid sand filters and cloth filters.

Read more at Wikipedia.org


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Aquasana Aq-4501 Antique Undercounter Water Purifier $175.95 Big Blue Whole House Water Filter Housing Clear 10x4.5 $74.95
Clear Filter Housing 10" with 3/8" Inlet & Outlet $11.75 Bulk 2 x Water Filter Purifier for Samsung Fridge $0.91
Fits Culligan H-30S-R, Culligan H30Sr Membrane, Filters $55.95 Crystal Quest Faucet Mount Water Filter System Kdf $24.90
Newest Life 8100 Ng Water Ionizer $0 Down No Interest $2,747.00 New Crystal Quest® Water Filter Pitcher Nib $19.95
Life Ionizer™ 5000 Counter Top Water Ionizer - 110V $1,895.00 Countertop 4 Stage Reverse Osmosis Water Filter System $0.91
New Pur Faucet Filtration Water Filter Tap Blk Fm-4100 $19.49 New Pur 3 Stage Water Filter Rf-9999 Sealed $9.95
New Cuisinart Gf-80 White Gravity Filter * $22.00 Aquasana Aq-4501 Antique Brass Undercounter Water $175.95
New Water Filter Water Purifier 6 Stage Filter system $62.95 Bulk 2 x Water Filter Purifier for Fisher Paykel Fridge $0.91
Fits Gxrv10 Ge Fx12M Ro Membrane Pre Post Filters $54.95 Bulk - 6 x Sediment/Carbon Water Filter Cartridges 10" $0.91
3 New In Box Brita Aquaview Faucet Replacement Filters $15.50 Brita 35503 Pitcher Replacement Filters 2 Pak-New $13.86
Ge SmartWater Filter Cartridge: Mwf $18.39 New Vertex 2 Temp Water Exec. Grey Cooler w/Reverse Osm $439.00
New Fluoride 5 Stage Undersink Water Filter System $424.15 Water Conroller Leak Controller Lcs 14 Reverse Osmosis $44.99
Under Counter Reverse Osmosis Water Filtration System $134.95 6 Sediment & Carbon Water Filters Replacement Filter $19.99
Life Ionizer™ 7000 Under Counter Water Ionizer - 110V $1,995.00 Brita Faucet Filtration System( White) Brand New $10.99
Clear2O - Cwf1032 Water Filter - 3 Pack - New $5.99 Ge Mxrc/Fxrc Kenmore 9905 46-9905 Fxrt Mwf Filter New $29.99
6 Stage Reverse Osmosis System w/ $75 Gift Certificate $225.00 Aquasana Aq-4025 Water Filter Replacement for Aq-4000 $47.99
Bulk Wholesale 4 x Water Filter Cartridges 10" Carbon $11.90 Diy Dual Water Filter Twin Undersink System Complete $1.98
New Vertex 2 Temp Water Cooler w/filtration (Pwc-1000F) $390.00 New Livingwaters 4 Stage Countertop Water Filter System $279.95
Life Ionizer™ 4000 Household Water Ionizer - 110V $1,197.00 Filmtec 50 Gallons per day Gpd Replacement Ro Membrane $37.00
Pur Maytag/JennAir replacement water filter-2 pack $50.00 Frigidaire Pure Water Filter Rpl Wf1Cb Wfcb 9906 Wsf-1 $18.25
Aquasana Aq-4501 Brass Undercounter Water Purifier $175.95 Life Ionizer™ 3000 - Batch System Water Ionizer $1,195.00
Jupiter Under Sink Kit~Melody Isis Athena Water Ionizer $199.00
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Prices current as of last update, 11/07/09 12:25pm.

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