Atoplee 1pc DC12v 4w 2 Way 2 Position Pneumatic 1/4" Solenoid Air Valves 2v025-08 Safety, applicability, lightweight form factor. Commutation rapid, sensitive; For remote electric control fluid conduit in the valve opening and closing. Please note that the gas flow direction and the takeover tooth type is correct installation. Please note that the installation meets the technical requirements of the condition re-use