uxcell Plastic Aquarium Fish Tank 12 Way Air Flow Controller Pump Tubing Splitter Valve White The air outlet of Aquaculture Air Valve can be connected to aquarium tubing. Total Size : 175 x 60mm/ 6.89" x 2.4"(L*W);Material : Plastic Each Branch Outer Dia(Approx.) : 5.8mm/ 0.23";Color : White Weight : 28g;Product Name : 12 Way O2 Valve Package Included : 1x O2 Valve;Inlet Connector Dia(Approx.) : 9mm/ 0.35"