uxcell Aquarium 4 Way Inline Air Flow Pump Tubing Lever Control Valve Package Content: Aquarium Air Valve; Total Size: 9. 2 x 2. 1 x 2. 8cm/3. 6" x 0. 8" x 1. 1"(L*W*H) Color: Silver Tone; Material: Metal Product Name: 1 x Aquarium Air Valve; Net Weight: 43g Weight: 10g Inner Hole Die: 3mm/0. 12"