uxcell Plastic Aquarium Fish Tank 2 Way Aeration Air Flow Control Valve 5pcs Blue Product Name : Aquarium Air Valve;Material : Hard Plastic Color : Blue;Connector Diameter (Each) : 3mm / 0.12" Thread Diameter : 5mm / 0.2" Weight : 7g;Total Size : 3.8 x 2.4 x 0.9cm / 1.4" x 0.96" x 0.35"(L*W*T) Package Content : 5 x Aquarium Air Valve