Check valve/Leak-down Hose: -6
This hose is super handy for checking the opening pressure of check valves or checking the leak-down percentage of your barrel valve. A -6 female fitting at one end and your choice of male air-coupling on the other. The bright blue 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!