915 Generation Aquarium One Way Non-Return Check Valves Air Pump

Detailed Information About The Product:

Please DO NOT use them with CO2 system. The one way check valves are for common aquarium air pumps.
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: 4mm/ 0.16 inch, Overall Size: 4.3 x 1.5cm/ 1.7 inch x 0.6 inch(L* D), Net weight: 4g.
Color: black + white
P in your airline tubing between your air pump and aquarium water to prevent water returning down the airline.
How to clean
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 durable clear plastic.
Package Content: 10 Pcs x Air Check Valve
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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