KW4520BR-20M dirt / sediment 20 micron universal replacement water filter cartridge This replacement cartridge is constructed of pleated polyester which benefits the consumer in two ways. The pleated design provides a very large exposed surface area that gives the cartridge impressive solids-holding capacity. This cartridge is a single membrane which allows for occasional cleaning. Its performance is commensurate to the competition at a lower cost. Competition Cross Reference -Ametek (AKA Pentek, US Filter) R30-20BB -Keystone GPE30-20 Specifications: polyester media is bacteria and chemical resistant thus the cartridge is suitable for residential, commercial & industrial applications 4.5 x 20” industry standard universal dimension fits Culligan, 3M Purification / Cuno Aqua-Pure, GE, Ametek (AKA Pentek/US Filter) ,Sears and many other water filter housings change cartridge every 6-10 months or upon substantial pressure reduction operating range: 20-100 psi, 40-100 F temp, pH 4-10 flow rates up to 40 gallons per minute The smaller the micron rating the better the entrapment capability.
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