Self-Tapping Metal Air Valve

Manually control the flow of vital air by switching an air pump on or off.
Made of 304 Stainless Steel and nickel-plated material, will not rust easily.
Lever valve makes it easy to operate.
Control the flow of vital air from your pond aerator or aquarium air pump with this handy Air Control Valve.
Used for aquarium and aquaculture applications.
Air lever valves can be connected to aquarium tubing.