XMHF 10pcs Plastic Non-Return Check Valves for Aquarium Fish Tank Air Pump
Please place your airline tubing between your air pump and aquarium to prevent water returning down the airline. And how to clean these valve.Unscrew and open up check valve, pinch the rubber boot inside valve to make sure small slit is open. Otherwise no air to tank. Made of black and clear plastic.
Product Features
- One way check valve for your aquarium and fish tank.
- Protect you air pump by preventing aquarium water from back siphoning during a power outage.
- Detachable design makes it easier for you to clean and repair. Unscrew to open it.
- Air Hole Diameter: 0.16" / 4 mm, Overall Size: 1.7" x 0.6" / 4.3 x 1.5 cm (L* D).
- Package Content: 10 Pcs Air Check Valve.
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