Generic Buna-N O-Ring [15-15/16" ID] [5/16" CS] (90-423-6115) leviton The Waterway 519-9017 skimmer escutcheon

The Waterway 519-9017 skimmer escutcheon is designed for compatible 50 and 100 square foot single-port applications and comes in gray

An eyeball inlet fitting like this is useful because it helps return water to the pool or spa while also allowing directional adjustment of the return flow

Gray finish supports a subtle and cohesive appearance

which many users prefer because it feels more active than a simple fixed jet

Restores better day-to-day control over filtration routing

Generic Buna-N O-Ring [15-15/16" ID] [5/16" CS] (90-423-6115) leviton The Waterway 519-9017 skimmer escutcheonA Buna N O ring helps create a seal at a compatible large diameter circular connection, and this generic version is sized with a 15 15 16 inch inside diameter and a substantial 5 16 inch cross section using the 90 423 6115 reference. When a large profile O ring becomes worn, stretched, or compressed, the assembly can lose the sealing support it should maintain around the full circumference. The heavier 5 16 inch cross section gives this O ring