Pentair EQ Series Diffuser O-RIng (350037Z) lascofittings Helps restore reliable sealing at

Helps restore reliable sealing at the skimmer assembly

A focused blower replacement like this is especially useful when the surrounding air-side components remain serviceable and the problem is clearly isolated to the blower itself

the spa feels more intuitive and polished

sanitation

the system can lose an important part of its treatment capability

Pentair EQ Series Diffuser O-RIng (350037Z) lascofittings Helps restore reliable sealing atThe Pentair 350037Z diffuser O ring is designed for compatible EQ Series pump applications where the diffuser sealing ring needs replacement. An O ring like this is useful because it helps seal the diffuser area within the wet end assembly, supporting cleaner internal fit and more dependable pump reassembly. Replacement is often needed when the original O ring is flattened, cut, hardened, or no longer dependable after disassembly. Installing the