Aquarium Water Treatment -2-12 Way Air Control Valve For Aquarium Fish Tank Regulator Flow Tube Hose 8 Way Highlights Generic Brand 2 Air Control Valve -12 Way For Aquarium Fish Tank Regulator Flow Tube Hose 8 Way Description: Control the flow of vital O2 from your pond aerator or aquarium air pump with this control valve practical look. Used for aquarium and aquaculture applications. The air lever valve can be connected to the aquarium tubing. Suitable for 4MM general purpose air pump trachea Made of stainless steel, durable, with 2-12 individually controlled outlets. Simple design, easy to use and install, practical and durable. Specification: Product Name: Air Flow Control Valve Material: Stainless Steel Color: Silver Type: 2 Way, 4 Way, 6 Way, 8 Way, 10 Way, 12 Way Length: Approx. 2 outlets: 37 mm, air inlet 8 mm, air outlet 4 mm 4 outlets: 77 mm, air inlet 8 mm, air outlet 4 mm 6 outlets: 115 mm, air inlet 8 mm , air outlet 4 mm 8 outlet: 155 mm, air inlet 10 mm, air outlet 4 mm 10 outlet: 191 mm, air inlet 10 mm, air outlet 4 mm 12 outlet: 230 mm , air inlet 10mm, air outlet 4mm Package includes: 1x Air Flow Control Valve Note: 1.Please allow 1-3cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you