Reusable Hose Barb - 1/4" Body Coupler X 1/4" ID - 1/2" OD M Style Air Fitting

Foster Brand

1ea - SB3-3 ( 1/4" Industrial Coupler for 1/4"ID X 1/2"OD hose)



This is the most common Coupler type.
Here are some common names associated with it.

Industrial
M Style
I/M
I
Mil Spec