3-Way Aquarium Air Check Flow Control Swtich Gang Valve For Fish Tank

Features: Specially designed non-return valves will protect you air pump by preventing aquarium water from back siphoning during a power outage. Specification: Color:ClearBlack Net Weight:46g Material:AcrylicPlastic Outlet Diameter:4mm/0.16 Total Size:63 x 58 x 105mm/2.48 x 2.28 x 4.13(LWH) Package Includes: 1 x Aquarium Air Check Valve Note: Due to the manual measurementthere may be small deviations. The color may have different as the difference displayplease understand.