Generic O-Ring [19-1/8" ID] [3/8" CS] O-420 (O-420) airbuttons Helps restore full skimmer functionality

Helps restore full skimmer functionality

Helps capture leaves and debris

Multi-function air switches are useful because they support more complex control sequences in systems that rely on air-button activation

OEM Pentair/Letro cleaner shroud

Designed for compatible pump electrical connection applications

Generic O-Ring [19-1/8" ID] [3/8" CS] O-420 (O-420) airbuttons Helps restore full skimmer functionalityAn O ring helps create a dependable seal at a compatible very large circular connection, and this generic version is sized with a 19 1 8 inch inside diameter and 3 8 inch cross section using the O 420 reference. When a large heavy profile O ring becomes compressed, brittle, or damaged, the assembly can lose the sealing support it should maintain around the full circumference. The 3 8 inch cross section gives this O ring practical value because broader