uxcell Aquarium Air Line Tubing Volume Control Valve White 5 Pcs Product Name: Aquarium Air Valve Connector External Diameter: Max 0.55mm / 0.1" Total Size: 4.1 x 2.5cm / 1.6" x 0.98" (L*W);Thread Diameter: 0.9cm / 0.35" Weight: 10g;Material: Plastic; Color: White Package Content: 5 x Aquarium Air Valve