Aquarium One Way Non-Return Check Valves Air Pump Accessories for Fish Tank Black, 6 Pack

Aquarium One Way Non-Return Check Valves Air Pump Accessories for Fish Tank Black, 6 Pack
Categories: Fish, Fish Tanks
Brand: THSINDE
12.36 GBP
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Please DO NOT use them with the CO2 system. One-way check valves are for common aquarium air pumps. Protect your air pump by preventing aquarium water from siphoning back during a power outage. The detachable design makes it easy to clean and repair. Unscrew to open. Air hole diameter: 4mm, overall size: 4.3 x 1.5cm (L*D), net weight: 4g. Package content : 6pcs x air check valve.