uxcell Aquarium 10-Outlet Lever Adjusted Pump Air Valve Manifold Taps Aquarium Air Valve; Material : Metal Color : Silver Tone; Design : Dual Line 10 Way Outlet Fit Tube Dia.(Outlet) : 4mm/0.16";Fit Tube Dia.(Inlet) : 18.5mm/0.73" Overall Size : 13 x 6 x 2.3 cm/5.1" x 2.4" x 0.9" (L*W*H);Net Weight : 178g 1 x Aquarium Air Valve