20 Pcs Aquarium Air Control Valves for 3/16" (4mm) ID Airline Tubing, Adjustable Black T Shaped Hose Connectors Single Way Plastic Air Flow

【Sufficient Quantity】Each pack contains 20 T-shaped aquarium air valve. The color is black. Sufficient quantity to meet your daily use and replacement needs, 1.5" long x 0.8" high. Suitable for standard 3/16" ID aviation tube 【T Connectors】Adopt T-shaped structure design, one-way straight air passage, ensure tight fit and prevent slipping, very suitable for fish tanks, aquariums, aquaculture, etc. 【Quality Material】Made of high-quality plastic, these air control valves are durable, not easy to break, lightweight, and are ideal for regulating oxygen levels in fish tanks or controlling water flow in drip irrigation systems 【Easy Installation】Simply cut your air line in two, insert the air control valve, and twist the knob to open or close as needed. Easy setup saves you time and effort 【Wide Applications】The aquarium air valves are widely used in home fish tanks, landscape aquariums, restaurant viewing tanks, and other irrigation systems to easily control air and water flow