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 : Air Check Valve; Use for : Aquarium, Fish Tank Color : Red, Pink, Clear; Material : Plastic Hole Outer Diameter : 4.5mm/0.177″; Overall Size : 53 x 14.5mm/2.1″ x 0.57″ (L x D)
