uxcell 10 Pcs 5mm Tube Dia 4 Way Water Air Flow Control Valve for Aquarium Fish Tank Product Name : Aquarium Air Valve;Material : Plastic Color : Clear;Design : 4 Way Outlet Fit Air Tube : 5mm/ 0.2";Overall Size : 59 x 23 x 8mm / 2.3" x 0.9" x 0.31"(L*W*H) Net Weight : 29g Package Content : 10 x Aquarium Air Valve