2-Piece Fish Tank Aquarium Plastic Air Pump Check Valves, Clear/Pink

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: 1.7mm/ 0.06″;Total Size: 5.3 x 1.4cm/ 2.08″ x 0.55″(LMax.D)