Uxcell Non-Return Check Valves for Aquarium Air Pump, 2-Piece

• 2 PCS Non-Return Check Valves for Aquarium Air Pump.
• They are made of plastic material for long time use.
• The Aquarium Valves are important accessories for air pumps.
• Measuring approx. 2.08" long, 0.56" diameter. Tip outside diameter: ~0.18"
• Package Included: 2 x Check Valves

Product Description Specially designed Non-Return Valves will protect you air pump by preventing aquarium water from back siphoning during a power outage.Place these Air Pump Valves in your airline tubing between your air pump and aquarium water to prevent water returning down the air line.Total Weight: 9g. Box Contains 2 x Check Valves