This Kit is a Universal 1" Gray Spa Hot Tub Complete Air Valve Control Kit which includes (1) Air Manifold with (12) 3/8" Barbs, (6) 3/8" Coupler Barbs and 24" of Clear 3/8" Tubing and a 1" Plug for...
This part is a Manifold that features (6) 3/8" Barbs and is Flow Thru, 1-1/2"slip x 1-1/2"spigot..
To plug the barbs you can use these plugs:
Barb Plug 3/8" Slip for Air Manifold
Barb Adapter 3/8" Barb x 1/2" Spigot , The Glue Side glues inside a 1/2" Fitting which would measure 3/4" and a 3/8" ID tube would be glued over the barb.
This part is a Transisiton style air Manifold with (2) 3/8" smooth barb connections to recieve 3/8" ID vinyl tubing and a 1" Street glue in end.. The Glue in side measures about 1 1/4" OUtside...