Pentair S7M400 Filter Inner & Outer Cartridge Set | 170146

The Pentair S7M400 Filter Inner & Outer Cartridge Set 170146 is a replacement filtration cartridge pack built for Pentair Sta-Rite System 3 S7M400 modular media filters. This cartridge set is an original genuine Pentair replacement that includes both the inner and outer filter elements needed to maintain proper filtration performance. The combined filtration surface area totals approximately 400 square feet, with the inner cartridge providing around 136 square feet and the outer cartridge delivering about 264 square feet. Reinforced pleated polyester media helps capture fine debris and suspended particles while allowing consistent water flow through the filtration system. Durable polyurethane end caps and precision construction ensure dependable installation and long-term filtration reliability in compatible in-ground pool filter systems.

Highlights

• Inner and Outer Cartridge Set: Complete replacement kit containing both filtration elements required for Pentair Sta-Rite System 3 S7M400 filters.

• Large Filtration Surface Area: Combined 400 sq. ft. filtration capacity supports extended cleaning cycles and improved dirt retention.

• Pleated Polyester Filtration Media: Reinforced filter fabric captures small debris while maintaining efficient water circulation.

• Original Pentair Replacement Part: Manufactured to OEM Pentair standards for proper alignment and dependable performance.

• S7M400 Filter Compatibility: Designed specifically for Pentair Sta-Rite System 3 S7M400 modular media pool filter systems.