Product Description

Non return Valve
Preventing Floods in the home
Attatch to your airline before the airline enters the aquarium

For use with your aqusarium Air pump. The non return valve will allow air through in the direction of the aquarium but importantly won’t let any air or water travel in the opposite direction. This is important incase of air pump failure as water from the aquarium could travel back through the tube causing a Flood
Non return Valve
Preventing Floods in the home
Attatch to your airline before the airline enters the aquarium
invalid amazon response: probably request to amazon api was dropped!.