Air compressor tank valves: simple structure, no additional tools required, easy to install by hand, saves a lot of time and effort. Pressure tank valves. Air compressor valves: each comes with a cap, threaded tire core valves and brass body, small size, lightweight, easy to use. Metal water tank valves. Air valve caps: our water tank valve caps use brass materials, reusable and safe, to form a tighter and safer seal. Brass tank valves. Replacement tank valves: the water tank protective valves have a sealing effect, better protecting the air valves and threads. Replacement water tank valves. Metal tank valves: the tank valves prevent air leakage while allowing air to pass through during inflation, very professional. Air compressor tank sealing valves.