The Marina Ultra 4-way air control valve allows you to run up to 4 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