Economical light weight filters for Big Blue/Boy 20 inch housings. Certified by NSF 42 and FDA CFR title 21. PureT sediment filter cartridge's coreless design is an economical solution to pre-filtration for many applications. They are used widely as pre-filtration for RO systems and post-filtration for GAC filters. They are also used in applications such as Ice Machines, Film Processing, Beverage, Coffee, Analytical, Wineries, and many others.
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