Pentair EQ Series Diffuser O-RIng (350037Z) lascofittings the system can lose an

the system can lose an important part of its treatment capability

This dark grey retrofit drain grate provides reliable drainage performance while blending with pool finishes for a clean appearance

Designed for compatible jet applications

A collar extension like this is useful because it helps restore the upper mounting structure of the skimmer

Pentair EQ Series Diffuser O-RIng (350037Z) lascofittings the system can lose anThe 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