Aries - AF-20-3003-BB - 20" x 4.5" Big Blue Water Softening Filter Big Blue Filter Housing This hydroxide form anion resin

This hydroxide form anion resin works alongside cation resin to achieve near-zero TDS for applications demanding ultrapure water

particularly in areas with moderate to hard water

473 liters per minute

This activates the carbon and removes fine particles

Verify your check valve assembly uses duckbill-style valves before ordering

Aries - AF-20-3003-BB - 20" x 4.5" Big Blue Water Softening Filter Big Blue Filter Housing This hydroxide form anion resinAries 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.