Jardin Non-Return Plastic Air Pump 2-Piece Check Valves for Aquarium, Red/Clear

Description

Protect you air pump by preventing aquarium water from back siphoning during a power outage. Place in your airline tubing between your air pump and aquarium water to prevent water returning down the air line. Product Name : Check Valve; Use for : Fish Tank, Aquarium Hole Diameter : 1.8mm/0.07″; Total Size : 5.3 x 1.5cm/2.08″ x 0.59″(L x D)