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Membrane filtration Membrane filtration makes possible to separate particles with a diameter smaller than the pore diameter in t00he membrane from the liquid feed, by applying a pressure over the membrane. Its affectivity is determined by selectivity and productivity. Selectivity is expressed as a parameter called retention or separation factor. Productivity is expressed as a parameter called flux. Selectivity and productivity are membrane-dependent. Membrane filtration can be divided up between micro and ultra filtration on the one hand and nano filtration and Reverse Osmosis on the other hand. When it is used for the removal of larger particles, micro filtration and ultra filtration are applied. Because of the open character of the membranes, the productivity is high while the pressure differences are low. Nano filtration and RO membranes do not work according to the principle of pores; separation takes place by diffusion through the membrane. The pressure that is required to perform nano filtration and Reverse Osmosis is much higher than the pressure required for micro and ultra filtration, while productivity is much lower. Membrane filtration has a number of benefits over the existing water purification techniques. One is, it is a process that can take place while temperatures are low. This is mainly important because it enables the treatment of heat-sensitive matter. That is the reason why these applications are widely used for food production. Another benefit is, it is a process with low energy cost. Most of the energy that is required is used to pump liquids through the membrane. The total amount of energy that is used is very low, compared to alternative techniques, such as evaporation. Also the process can easily be expanded. TW30-1812-16 TW30 1812 16 D Discontinued - FilmTec TW Membrane, Fast Recovery TFC/TFM Thin Film Composite Membrane, 1.75'' x 11.75'', 16 GPD Replaced with TW30-1812-24 24gpd 155247 RFC20-BB RFC 20 BB - RFC-20-BBS Radial Flow Carbon, 4-1/2'' x 20'' Radial Flow Granular Activated Carbon, AK 10930 OmniPure K2333KK K2333 KK Taste and Odor reduction or Post Reverse Osmosis. Granular Activated Carbon (GAC) 12 x 40 mesh acid rinsed. OmniPure K2333JJ K2333 JJ Taste and Odor reduction or Post Reverse Osmosis. Granular Activated Carbon (GAC) 12 x 40 mesh acid rinsed. GE General Electric by Culligan PX50-9-7/8 PX50 978 (93111) - Purtex (osmonics) pure polypropylene depth filter, 2-1/2'' x 9-7/8'', 50 Micron PX30-9-7/8 PX-30 978 (93020) - Osmonics Purtex polypropylene filter, 30 Micron, 2-1/2'' x 9-7/8'' WW-4506 Touch Flo Air Gap Long Reach Faucet TouchFlo Long Reach Faucet TouchFlo Standard Faucet PurTest Comprehensive School Kit PurTest Standard School Kit PurTest Project School Kit CBR2-10 155268, USFilter Ametek Plymouth C-2 155022, USFilter Ametek Plymouth RFC BBS CP5 BBS R50 BBS Reverse Osmosis TGI-WIN-545, TGI Reverse Osmosis TGI-WIN-445, TGI TGI-FI-GAC010HP, TGI Hydro Flow PX20-9-7/8 PX-20 978 (93021) - pure polypropylene depth filter by Purtex (osmonics), 2-1/2'' width x 9 7/8'' height, 20 Micron PX10-9-7/8 PX10 978 (93022) - Purtex (osmonics) pure polypropylene depth filter, 2-1/2'' x 9-7/8'', 10 Micron WP10BB97P Big Blue BB String Wound Polypropylene Replacement Cartridge PX01-9-7/8 PX01 978 (93113) - Purtex (osmonics) pure polypropylene depth filter, 2-1/2'' x 9-7/8'', 1 Micron PX05-4-7/8 PX05 478 (93178) - Purtex (osmonics) pure polypropylene depth filter, 2-1/2'' x 4-7/8'', 5 Micron WP.5BB97P WP05BB97P - Polypropylene String-Wound Big Blue, 4-1/2'' x 10'', 1/2 Micron PD-25-20 155758 PD 25 20 - Polydepth, 2-1/2'' x 20'', 25 Micron PD-10-20 155757 PD 10 20 - Polydepth, 2-1/2'' x 20'', 10 Micron AV-MP36B Atlantic UV Mighty Pure MP36B Water Purifier PD-5-20 155756 PD 5 20 - Polydepth, 2-1/2'' x 20'', 5 Micron PD-1-20 155755 PD 1 20 - Polydepth, 2-1/2'' x 20'', 1 Micron C-CT-101D CuZn Countertop Refillable 101 Filter N-402931 Water Boss Water Softener N-446297 Accusoft High Capacity Compact (Cabinet) Water Softener N-433179 Demand Regeneration Water Softener N-433209 Automatic (Timered) Single Tank Resin Water Softener PD-25-934 155751 PD 25 10 / PD-25-10 - Polydepth, 2-1/2'' x 9-3/4'', 25 Micron PD-10-934 155750 PD 10 10 / PD-10-10 - Polydepth, 2-1/2'' x 9-3/4', 10 Micron PD-5-934 155749 PD 5 10 / PD-5-10 - Polydepth, 2-1/2'' x 9-3/4'', 5 Micron AK10874 PD-1-934 155748 PD 1 10 / PD-1-10 - Polydepth, 2-1/2'' x 9-3/4'', 1 Micron Lead Test Kit PurTest LEAD Test Kit detects lead QUICKLY! Based on EPA standards, this test allows you to screen your water for dangerous levels of lead - accurately and in less than 10 minutes. Each Kit includes 2 FREE CP5-20BB 155428 CP 5 20 BB - Pleated Cellulose-Polyester, CP-5-20-BB Big Blue, 4-1/2'' x 20'', 5 Micron drink water for health | deionized water | causes of water pollution | distilled water | Gastroenteritis | water filter | Giardia lamblia | double distilled water | drinking water | fresh water | hard water | measurement of water-quality | mineral water | other water purification techniques | portable water purification | reverse osmosis in use | reverse osmosis method | reverse osmosis | slow sand filter bed | sources of drinking water | water cleanliness and disinfection | water for everyone | water in everyday life | water pollution | water purification | water quality | water softener | water supply | water treatment methods | water | world day for water | Water distillers | Water filters | Membrane filtration | Water treatment | Reverse osmosis

At these online web pages and through our customer service reps you can order original and compatible replacement cartridges for RO systems Reverse Osmosis membranes and drinking water filters . Effective October '08 Pentek has seen significant increases in the cost of Carbon, the result of rising energy prices and continued effect of tariffs on imported carbon over the last couple of years. Therefore, an increase on all carbon products of 7% with slight increasese for systems that use carbon components are taking place. We carry replacements for many water treatment brands such as American Plumber , American Water Service , Ametek , Apec , Aqua-Pure , Aqua Cleer , Autotrol , Avian , Advatapure , Advantapure , Big Blue , Bruner , Chloramines, Clack , Culligan , Cuno , Dow , Everpure , Filmtec , Fleck , Flint & Walling , (Alamo) Flowmatic , Filterite , General Electric , GE , GE-Osmonics , Genesis , Hanna , Harmsco , Hydro Systems , Honeywell , KDF , IWW, Hydrotech , HydroFlow , John Guest , Kent Marine , Kenmore , Kinetico , Keystone , KX Matrikx , Kiss , Kleen Plus , MP MULTI-PURE , Multipure, Microline , Nimbus , Nelsen , North Star , Nu-Water , OmniFilter , Omni , Osmonics , Omnipure , Osmotik , Pentair , Pentek , Plymouth , Premier , PureWater , Pur , Pure Pro , Pura , PuriTap , PurGuard , PuRo Twist , Purtrex , PuroLine , RainSoft , Sears , Sterilight UV , Star Water , Topway Global , TGI Pure , Ultra , UltraTech , U.S. Filter , ValueLine , Water Wise , Water Factory , Watts TGI , Wedeco UV , Win , Winn , WaterBoss , WaterWise Water Distillers , AquaPure , Avantapure , Amatek , Aqua Pure , Culigan Water Filters , Matrikx , Rain Soft , KX Industries and all other types of replacement water filters and reverse osmosis membranes. Also parts like housings for RO Membranes, diverter valves, auto shut-off valves, John Guest and Jaco tube fittings, tds testers, water distillers, water test kits, water coolers, TDS meters, long reach faucets, air gap faucets , airgap , drain saddles, flow restrictors , water filter housings , pumps, water filter wrenches , and o-rings.
Please Note: - reverse osmosis water filters, uv ultra violet lamps, water distillers and drinking water treatment replacement membranes listed herein are not manufactured nor provided, unless so noted, by the brands that produce the underlying equipment for water treatment. Our use of registered trademarks, such as Culligan ®, EverPure ®, or RainSoft ® etc., is for identifying compatible reverse osmosis RO membranes and replacement water filters only, and shall not be used as suggestion for any association, sponsorship, ownership, or endorsement of products by manufacturers or importers of the underlying equipment. Reverse Osmsosis Membranes
Water Distillers, Reverse Osmosis Water Filters.