These are great check valves for aquarium air pump. They can prevent the water in aquarium from flowing to the air pump.
- Great one way check valve for aquarium air pump
- Protect you air pump by preventing aquarium water from back siphoning during a power outage.
- Small and compact
- Made of durable plastic
- It's easy to install
- Compatible with standard aquarium air pipe of 4mm inner diameter
- Full Length: Approx. 5.3cm(2.1 inch)
- Color: Red
- 30 x one way check valve
Keywords: Air pump valve, aquarium, valve, check valve
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