- The Marina Check Valve is a non return valve which prevents water from siphoning out of the aquarium through the air hose and into the air pump
- Whether that's in the event of a power failure or when removing filters and other air-driven accessories from the aquarium, this check valve protects air pumps from water back siphoning and protects against flooding and damage
What you need to know:
- 1 x Marina Plastic Check Valve (Non Return Valve)
- Protects air pumps from water back siphoning
- Minimal air flow restriction
- Ideal in power failures and when removing filters and other air-driven accessories
