Description
- Specially designed non-return valves will protect your air pump by preventing aquarium water from back siphoning during a power outage
- They are made of plastic material for long time use
- Place these air pump check valves in your airline tubing between your air pump and aquarium water to prevent water returning down the air line
- Fits standard aquarium airline tubing with inner diameter about 4mm
- Dimension: 0.5”D x 2.1”L; Includes: 10pcs check valves
AQUANEAT Aquarium Check Valve, One Way Non Return Valve for Aquarium Air Pump, Check Valve for 3/16 Inch Airline Tubing, Fish Tank Accessories, 10pcs (Red)