Spa Bath Air Control found on older spa baths. Originally also came in Gold and some Rose colours. Only available in Chrome-plated now.
Dimensions:
- 32mm diameter threaded cap
- 26mm OD thread on the body
- 18.3mm OD thread on the screw in cap.
- O-ring seal is recessed in groove on underside of cap.
The body is designed to thread into a plumbing fitting.