Pentair Sta-Rite System 3 S7M400 136 sqft Inner Cartridge, 8-5/8" Dia x 25-3/8" (25021-0223S) starkfiltration Matching the correct connection style

Matching the correct connection style helps preserve intended fit and supports cleaner service

Fits compatible Clean Room Drill and Diver drill applications

5-inch configuration for matching installations

This Hayward HeatPro/Summit control board is a replacement component for compatible heat pump models requiring part HPX51100122201

Pentair Sta-Rite System 3 S7M400 136 sqft Inner Cartridge, 8-5/8" Dia x 25-3/8" (25021-0223S) starkfiltration Matching the correct connection stylePentair Sta Rite System 3 S7M400 136 sqft Inner Cartridge, 8 5 8" Dia x 25 3 8" is built for maintaining the correct fit, seal and function within compatible Sta Rite System 3 filter applications. Restoring filter media with the correct cartridge helps improve water clarity, flow rate and service efficiency. System 3 cartridge filters use matched inner and outer elements, so selecting the correct cartridge position and size is important. This