One-way directional flow prevents water from returning to the aquarium, ensuring tank safety
Fits inline on standard airline tubing for easy installation
Protects the air pump and aquarium from accidental water drainage
Durable plastic construction for long-lasting use
Simple to install and check, even in low-light or hard-to-see setups
Summarized by Shop
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.
