uxcell Aquarium 2 Way Air Flow Splitter Distributor Pump Valve, 8mm-4mm Package Content: 1 x Aquarium Air Valve; Total Size: 52 x 38 x 22mm/2" x 1. 5" x 0. 87"(L*W*H) Color: Silver Tone; Material: Metal Product Name: Aquarium Air Valve; Net Weight: 44g Weight: 10g Type: 8mm to 4mm