Pack of 5 Air feed tubes with non-return valves and air relief valves, each piece featuring 12" total air feed tubing. Â Use on most models of gravity feed cup spray guns where check valve is required

Pack of 5 Air feed tubes with non-return valves and air relief valves, each piece featuring 12" total air feed tubing.  Use on most models of gravity feed cup spray guns where check valve is required.