Manually control the flow of vital O2 or switch an air pump 'on or off'.
Made of Chromium Copper material, air will never leak out.
INLET DIA: 3/16" / 5 mm, OUTLET DIA: 3/16" / 5 mm. Overall Size: 3.7" x 1.1" x 0.85"/93 x 29 x 22mm.
Non-return Check Valve protects your air pump, Suction Cups fit the Air Valve and standard tube.
Package Content: 1 x Aquarium Air Valve Distributor, 1 x Non-return Check Valve, 6 x Suction Cup.