Aries (AF-20-3231-BB) 20"x4.5" Big Blue 100% Calcite Cartridge Filmtec (SW30-2521) Seawater Membrane 300 GPD 2.5"X21" Keeps TDS levels stable throughout

Keeps TDS levels stable throughout the day across varying demand patterns

Prime the system by running the pump and verify steady chemical flow without leaks

Verify your control valve model number before ordering to ensure proper fit and function

Harmsco Cartridge Ready

Clean or Replace

Aries (AF-20-3231-BB) 20"x4.5" Big Blue 100% Calcite Cartridge Filmtec (SW30-2521) Seawater Membrane 300 GPD 2.5"X21" Keeps TDS levels stable throughoutAries Filter Works AF 20 3231 BB 20"x4. 5" Big Blue 100% Calcite Cartridge Pure calcite media for pH correction and acid neutralization in whole house applications 100% Calcite 20" x 4. 5" pH Neutralizer Whole House The Aries AF 20 3231 BB is a specialty cartridge filled with 100% calcite media designed to raise pH levels and neutralize acidic water. This 20 inch Big Blue cartridge fits standard 20" housings and provides reliable pH correction for