CMP 4-1/8" FD Spa Jet Internal [Dir Smth Scal] [Gray] (23540-111-000) airbuttons Supports cleaner and more dependable

Supports cleaner and more dependable filtration performance

Useful when a larger trim or fit solution is needed

The dual-pump plus light format gives this overlay practical value because replacement overlays work best when the printed layout matches the actual keypad functions underneath

A solid base matters in equipment systems where the tank needs to remain properly positioned over time

A pump union is one of the most useful fittings in a serviceable plumbing layout

CMP 4-1/8" FD Spa Jet Internal [Dir Smth Scal] [Gray] (23540-111-000) airbuttons Supports cleaner and more dependableThe CMP spa jet internal is designed for compatible spa jet applications where a 4 1 8 inch face diameter directional internal needs replacement. A jet internal is useful because it shapes how water moves through the jet face, supporting the intended directional massage action and overall spa jet performance. This replacement is especially useful when the original internal is cracked, worn, clogged, or no longer rotating or directing flow correctly.