Master the airflow in your aquarium with our Lok-Tite Aquarium Gang Valve. This reliable system lets you direct the air output from one pump to multiple locations. 5 outlet plus 1/2 valve.Non-corrosive.Automatic anti-siphoning. Hanger design keeps the line above the water level, creating an anti-siphon which prevents water from backing up and damaging your air pump.Will not loosen from vibration or temperature change.Efficiently organizes your airline tubing.Made of durable and easy-to-clean plastic.Safe for use in fresh or saltwater environments.