Aries - AF-20-3003-BB - 20" x 4.5" Big Blue Water Softening Filter Pentek (155281-43) 20"x4.5" BBF1-20MB FDA Mixed Bed DI Resin Filter and sediment down to 25

and sediment down to 25 microns

before cast iron

Brass body resists corrosion from drain water and cleaning chemicals

Ideal for applications requiring continuous monitoring of concentrated brine

tracking filter performance on single-cartridge housings

Aries - AF-20-3003-BB - 20" x 4.5" Big Blue Water Softening Filter Pentek (155281-43) 20"x4.5" BBF1-20MB FDA Mixed Bed DI Resin Filter and sediment down to 25Aries FilterWorks AF 20 3003 BB 20" x 4. 5" Big Blue Softening Cartridge ResinTech CGS high capacity cation exchange resin in an oversized cartridge for residential and commercial water softening NSF ANSI 44 & 61 Certified Media Made in USA 50% Higher Capacity Removes Calcium, Magnesium & Iron The Aries AF 20 3003 BB uses ResinTech CGS gel type sulfonate polystyrene cation resin to eliminate hard water problems in standard 20 inch Big Blue housings.