1" Neck Jet & Waterfall Diverter Control O-Ring Gasket | Waterway CMP Hydroair Compatible

This replacement 1" O-Ring gasket is designed for spa neck jet and waterfall diverter controls. The seal measures approximately 1 7/16" inner diameter and works with 2 3/4" diverter valve assemblies. This single large O-ring component ensures proper sealing for control valves found in numerous hot tub brands including Waterway, CMP, and Hydroair systems.