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
This part is a 2" Slip X 2" Slip X (4) 3/4" Ports Manifold open style.
This part used in tubs where 3/4" soft pipe which measure 1" OD or 3/4" ID glues inside the...
This part is an Air Manifold, 1" Slip x 1" Slip, 3/8" Smooth Barb, 8 Port, Flow Thru, Pancake Style..
1" Slip measures about 1 1/4" ID..
You can use this with this Barb for...