Air Stone

Elite Ultra 4-Way Valve allows you to run up to 4 air driven products at once. Each valve is adjustable, so you can regulate the air output. Will not leak Up to 5 p.s.i. Molded all-plastic design, no seal rings, screws, rivets, joints or seams Hanger...

The Marina Air Stone diffuses water in every direction, creating a dazzling underwater display. The constant stream of bubbles increases surface agitation, adds oxygen to the aquatic environment and helps release carbon dioxide build-up for safe aquarium...

The Marina Air Stone diffuses water in every direction, creating a dazzling underwater display. The constant stream of bubbles increases surface agitation, adds oxygen to the aquatic environment and helps release carbon dioxide build-up for safe aquarium...

The Marina Cube Airstone is a durable air stone that diffuses water in every direction, creating a dazzling underwater scene. Increases surface agitation, accelerates oxygen replenishment and helps release carbon dioxide build-up. Air stone for aquarium...

The Marina Cylindrical Airstone (formerly Hagen Elite Aqua Fizzz) is a durable air stone that diffuses water in every direction. Airstones are small enough to fit common box filters and undergravel riser stems. Accelerates oxygen replenishment and helps...

The Marina Cylindrical Airstone (formerly Hagen Elite Aqua Fizzz) is a durable air stone that diffuses water in every direction. Airstones are small enough to fit common box filters and undergravel riser stems. Accelerates oxygen replenishment and helps...