HF-STR3-600S8-SET Premium Pool Filter Cartridge Inner 25021-0225S and 25022-0228S Outer Set - Replacement for 600 Sq. Ft. Sta-Rite Outer and Inner System 3 S8M600 Set Reliable Charger Each AquaPill is pre-measured for

Each AquaPill is pre-measured for precise dosing

Durable plastic construction: engineered to resist corrosion and stand up to outdoor pool exposure over many seasons

delivering dependable filtration

5/16" X 27-1/2" Manifold Retainer

and continuous water exposure

HF-STR3-600S8-SET Premium Pool Filter Cartridge Inner 25021-0225S and 25022-0228S Outer Set - Replacement for 600 Sq. Ft. Sta-Rite Outer and Inner System 3 S8M600 Set Reliable Charger Each AquaPill is pre-measured forREPLACEMENT SET The Hurricane HF STR3 600S8 SET Premium Cartridge Filter Set includes the inner filter replacement for 25021 0225S and the outer filter replacement for 25022 0228S, Sta Rite System 3 S8M600 Set 600 Sq. Ft. DIMENSIONS We manufacture to tighter tolerances than other pool filter brands. The inner filter measures: Length 29. 7 inches, outer diameter 12. 5 inches, with 252 sq. ft of filter media. The outer filter measures: Length 21. 5