Check valve/Leak-down Hose: -8
This hose is perfect for checking the opening pressure of your port check valve or checking the leak-down percentage on your barrel valve. A -8 female fitting at one end and your choice of male air-coupling on the other. The bright yellow rubber hose stands out in your toolbox. Be sure to specify type "A" or "I" in the pull-down menu below to receive the correct air coupler for your application!