U-shaped gasket for Waterway Poly Storm jet socket

This U-shaped gasket sits in the opening in the spa shell, with one "arm" of the U inside the spa and the other outside. Properly installed, it provides a more reliable seal than a simple flat gasket.

Dimensions
Outside diameter: 87 mm
Inside diameter: 64 mm
Thickness: 13 mm

Part numbers
Waterway: 711-4430