Balboa - HydroAir (ITT) Slimline Air Control, 1in Air, 1-3/4 Hole Size, Black

Balboa HydroAir Slimline Air Control Assy 10-2310-BLACK, Complete has a black rotating lid which opens an air port to mix air with spa jets. Slimline Air Controls are used on many hot tubs, jetted tubs and whirlpool baths. They have a 1"" slip socket air pipe connection and require a 1-3/4"" hole size for mounting spa side. Includes gasket and lock nut for sealing up against the spa shell or cabinet.