2.5" gasket for Rising Dragon jet socket

This gasket is located between the spa shell and the socket of the 2.5" Rising Dragon jets.

Properly installed, it provides a more reliable seal than a simple flat gasket.

It can also be found on the brand's air valve.

Dimensions
Inside diameter: 44 mm
Outside diameter: 55 mm
Thickness : 5 mm

Part numbers
Rising Dragon : RD701-0218