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

replacing the manifold gasket is often one of the best ways to avoid chasing leaks after the rebuild is already complete

Correct matching is what makes the finished repair feel like a restoration instead of a near-fit substitute

This Pentair Clean & Clear/Quad drain plug is intended for compatible filter systems where a damaged

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