The Marina Ultra 2-way air control valve allows you to run up to 2 air-driven devices at once. Each valve has a flow adjuster which enables you to regulate air output to each devise. The valve is leak-proof and suitable for fresh or saltwater aquariums. The valve can easily be hung on all standard aquariums.
·· Will not leak up to 5 p.s.i.
·· Molded design with no seal rings, screws, rivets, joints, or seams
·· Hanger fits all standard aquariums
·· Safe for fresh or saltwater
·· Unique airline holder keeps tubing from kinking