Stay safe with Aqua One Airline Check Valve (2 Pack)! Easy and convenient to install so your aquarium can perform at its best!
Ensure a check valve is used whenever an air pump is positioned at or below the waterline of the aquarium.
Aqua One Airline Check Valve
Connect a check (one-way) valve to airline tubing to prevent water back-siphoning down your airline when there is a power outage. Back-siphoning is extremely dangerous and can ruin your air pump, empty your aquarium, damage your floors and create a shock hazard.
Features & Benefits:
- Small and Compact
- Fits standard aquarium airline 4mm inner diameter
- Allows air to travel in one direction only.
- Stops water from coming back down the air tube
- Easy to install – just cut the airline between the air stone and the air pump and insert the check valve into the airline
- High quality
- Essential safety device
