The Sta-Rite Complete Cartridge Set 170145 is a genuine replacement part for Sta-Rite system 3 modular media pool filters. This replacement cartridge set fits in the System:3 Modular Media Filter and includes the inner 25021-0200S & outer 25022-0201S replacement cartridges.
Compatible With:
- Pentair System:3 S7M120 Modular Media Filter