Eliminate The Risk Of Water Siphoning Backwards Through Your Aquarium Airline!
- For use with freshwater or marine aquariums
- Eliminates the chance of water siphoning backwards through your airline and damaging your pump or causing an electrical short
- This high quality neoprene valve provides the ideal cracking pressure to reduce surging and provide a long life
- Easy to read directional arrow molded in durable plastic for permanent assistance with flow direction
- Clear window allows function verification and visible signs that replacement is necessary
- Two valves per package for about the price of one (based on competitive items)
