Description:Great for 6mm Inner Diameter airline tubingHard plastic material, 2 way design.Simple design for easy use.The Aquaculture Air Valve can be connected to aquarium tubing. Specification:Product Name: Aquarium Air ValveMaterial: PlasticColor: GrayTotal Size: 41mm x 26mm x 12mm / 1.61" x 1.02" x 0.47"(L*W*H)Connector Diameter (Each): 4mm(Min)-5.5mm(Max)Thread Diameter : 9mm / 0.35"Weight: 38gPackage Included: 20Pcs x Aquarium Air Valve
