The one way check valve is suitable for CO2 supply system in fish tank, aquarium and others.
The air co2 line tubing regulator protect the power head from the water flowing back which is caused by power cut.
Prevent Ozone Flowing Back: when used in the Ozone generator, it can prevent the Ozone from flowing back to the air pump and eroding the propeller.
Keep Service Life: The air co2 line tubing regulator can prevent the aquarium from water flowing back, which is caused by the decrease, and keep the function and service life of Carbon dioxide bottle.
Stainless Steel: The check valve is made of stainless steel,which makes it durable.