Hagen Marina Plastic Check Valve A1165
- Accurate, leak-proof security
- Protects air pump from back-siphoning damage
- Prevents flooding during power failures
Hagen Marina Air Check Valve 1/4" (HA1165) The Marina Check Valve prevents water from siphoning through the air hose and into the air pump in the event of a power failure or when removing filters and other air-driven accessories.
The Marina Check Valve prevents water from siphoning out of the aquarium through the air hose and into the air pump in the event of a power failure or when removing filters and other air-driven accessories from the aquarium.