US Water 4.5 x 20 Carbon Block Filter Double O-Ring Seal | USWCB-4520-10-222 img alt text added Fits all US WATER backwashing

Fits all US WATER backwashing filters using the 1" Clack Valve and all GreenWave Salt-Free Water Treatment Systems

PuroTech® offers SS (stainless steel) GFN (Glass Filled Nylon) Membrane Housings in 4” diameters

THM and other chemicals and the problem is apparent

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Whole House Water Filter

US Water 4.5 x 20 Carbon Block Filter Double O-Ring Seal | USWCB-4520-10-222 img alt text added Fits all US WATER backwashingUS Water Carbon Block Filter 4. 5 inch x 20 inch 10 Micron Filter With Double O Ring Seal Filter elements are designed to fit US Water 4. 5" x 20 Gray filter housings. This high quality carbon block media is manufactured from raw materials to precise specifications entirely in a US manufacturing facility. This filter element is rated at 10 microns. Elements are finished with a single layer of spun bonded polypropylene netting. Polypropylene end caps