Swell Non Return Valve
Protects CO2 systems from the aquatic environment they work in
- Non return valve allows air to pass through your CO2 system
- Prevents water flowing back and damaging your system
- Easily fitted onto the airline
Swell Non Return Valves allow air to pass through, but prevent water returning down the air line and into the electrics of the pump.
It's essential to maintain safety and performance in all manner of aquatic devices, such as air pumps, so you'll find that this device is really useful. The valve is fitted onto the airline between the pump and air stone or pump.