HF-STR3-400S7-SET Premium Pool Filter Cartridge Inner and Outer Set - Replacement for 400 Sq. Ft. Sta-Rite 25022-0224S Outer and 25021-0223S Inner System 3 S7M400 Set Cordless Dolphin Easily and conveniently work on

Easily and conveniently work on closed impellers with Pool Tool Co

Complete dissolution granules dissolve quickly and distribute evenly for uniform water treatment

rapidly clears cloudy water

Series: Centurion

Compatible with Pentair 2-way and 3-way configurations

HF-STR3-400S7-SET Premium Pool Filter Cartridge Inner and Outer Set - Replacement for 400 Sq. Ft. Sta-Rite 25022-0224S Outer and 25021-0223S Inner System 3 S7M400 Set Cordless Dolphin Easily and conveniently work onHurricane HF STR3 400S7 SET Premium Pool Filter Cartridge Inner and Outer Set Discover the Hurricane HF STR3 400S7 SET, a premium inner and outer cartridge replacement designed for Sta Rite System 3 S7M400 pools (400 sq ft). This USA made two piece kit preserves filtration geometry, ensuring a balanced flow and reduced pump wear while delivering crystal clear water with fewer backwashes all season long. Features Two piece inner and outer replacement