Aqua One airline check Valve (Anti siphon Valve)
If there is a power failure or pump malfunctions the Aqua One check valve installed will prevent water siphoning back thru pump. A quick and easy solution to prevent a costly clean-up. Use one check valve for each air pump outlet.
Ensure a check valve is used whenever an air pump is positioned at or below the waterline of the aquarium.
Features & Benefits: