AQUANEAT Aquarium 1 Way Thread Valves, Air Flow Control Valves, Manifolds Distributor for Pumps Fish Room Air Systems,20pcs

One-Way Valves: A straight single way for air to get through. Suitable for hydroponics, aquariums and aquaculture in fish rooms or central air systems.

Tiny & Light:1“L x 0.88”H.Fit standard 3/16" airline tubing.Non-slip surface, effectively prevent air leakage and slipping.

Easy to Install:Drill small holes on pipes, attach the valve to the drill’s chuck and apply pressure downwards slowly to torque the threaded end into the pipe.

Free Adjustment: Easily regulate the air flow by turning the lever to adjust the air path from closed to wide open.

Reliable Material: Made of durable and reusable metal, it is safe to your fish. Resist rust, corrosion and breaking for long-time use.