Aqua Aquarium Fish Tank Airline Adjustable Control Air Pump Tap Valve Biopro

**BIOPRO AQUARIUM AIR VALVE CONTROL TAP***Biopro adjustable air control valves (taps) is designed to be used with aquarium air tubing. The easy to use air tap allows you to control the amount of air going into the aquarium. Biopro air control taps are suitable for all standard 4mm aquarium air pump outlets and accessories

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