Penn-Plax As4 Aqua Mist Air Stones

The Aqua-Mist Air Stone is a 1 inch green colored aerator for your tank. When added to your aquarium it produces a steady flow of bubbles providing a better supply of oxygen to your fish. It attaches easily to any air pump with standard 3/16’’ airline tubing (sold separately). The air stone can be positioned anywhere in your tank either blend it in with surroundings or hide it under gravel. Use the Penn Plax Aqua-Mist Air Stone Cube for a beautiful aquarium and healthy fish.