Purolite (A-520E) Nitrate Selective Resin CF Bag 44 lbs Pentek (155153-43) 10"x4.5" Big Blue GAC-BB Granular Activated Carbon Filter 5" Deionization Cartridge

5" Deionization Cartridge

Wells with iron levels above 3 ppm may require more frequent replacement as KDF media becomes saturated faster

Compatible with all brands including APEC

5 specialty filters

Purolite (A-520E) Nitrate Selective Resin CF Bag 44 lbs Pentek (155153-43) 10"x4.5" Big Blue GAC-BB Granular Activated Carbon Filter 5" Deionization CartridgePurolite Professional Grade Ion Exchange Media Purolite A 520E Nitrate Selective Resin Macroporous strong base anion resin engineered for potable water nitrate removal with superior selectivity in high sulfate conditions Meets EU & US Drinking Water Standards Type 1 Quaternary Ammonium 44 lb Commercial Bag High Nitrate Selectivity The Purolite A 520E resin is purpose built for nitrate removal in potable water systems where standard ion exchange resins