uxcell Sliver Tone Air Flow Control 2 Way Aquarium Lever Valve Adapter Product Name : Aquarium Air Valve;Material : Metal, Plastic Main Color : Silver Tone;Branch Outlet Valve Dia(Each) : 3.5mm / 0.14" Outlet Valve Dia : 3.5mm / 0.14";Overall Size : 53 x 28mm / 2.1" x 1.1" (L*W) Net Weight : 23g Package Content : 1 x Aquarium Air Valve,1 x Airline Tubing Connector