uxcell 10 Distributor Multiple Air Flow Control Aquarium Valve 10 Distributor Multiple Air Flow Control Aquarium Valve. Aquarium Air Valve for high power air pumps, with 6 individually controlled outlets. 10 outlet nickle-plated Multiple Air Flow Valve with controlled lever. Excellent air distribution and control Air Flow Control Valve. Branch outlet valve: 3.1mm(diameter), Outlet valve diameter: 3.1mm,Total length: 21.3cm