Air Manifold, 3/8" Barb, 10 Port, Flow Thru, 1-1/2" Slip x 1-1/2" Spigot

This part is a 10 Port Air Manifold that is 1-1/2" Slip x 1-1/2"Street with (10) 3/8" Slip Barbs.

The 1 1/2" Slip end accepts a pipe or fitting that would measure about 1 7/8" OD and the Street end measures about 1 7/8" OD and would gleu inside of a 1 1/2" fitting that measures 1 7/8" ID.. 

The OD of the (10) Barbs is 3/8"..

This manifold is usually use in Air Systems but sometime you will find them in the water system..