uxcell Aquarium Betta Plastic Metal Air Pump Control Valve Manifold Taps Silver Tone Battery Included: No; Outlet Valve Dia: 5mm Color: Silver Tone; Package Content: 1 x Air Pump Valve Total Size: 92 x 28 x 21mm / 3.6" x 1.1" x 0.8" (L*W*H); Material: Metal Weight: 10g Net Weight: 40g