Pentair System3 S7M120 Inner & Outer Cartridge Pack (170145) gaskets It is especially useful for

It is especially useful for pools where automation

Fully configurable time-of-day based schedules

Replacement internal for compatible CMP Poly Jet assemblies

An eyeball inlet like this is useful because it helps return circulated water into the pool while allowing directional adjustment of the return flow

The multiple application references give this cartridge practical value because filter service is most accurate when the replacement is tied to known cross-reference identifiers

Pentair System3 S7M120 Inner & Outer Cartridge Pack (170145) gaskets It is especially useful forRestore filtration performance in compatible System 3 modular cartridge filters with this genuine Pentair Pool Products S7M120 inner and outer cartridge pack, part 170145. The paired cartridge design provides the correct replacement media set for systems that rely on both inner and outer elements to capture fine debris. Use this pack when cartridges are heavily stained, damaged, pleats are collapsed, or cleaning no longer restores flow. Replacing both