Plastic Check Valve White
100% Made of Plastic
Dimension : 5.4cm x 1cm x 1cm
Protect your air pump by preventing aquarium water from back siphoning during a power outage.
Use this Check Valve in your airline tubing between your air pump and aquarium water to prevent water returning down the air line.
Well fits standard air line tubing aquarium and CO2 tubing with inner diameter about 4 mm.