PENN PLAX 5-Inch Bubble Disk Air Pump Accessories

With the Deluxe Bubble Disk you can create a beautiful tower of bubbles that will add to your decor while helping to aerate your aquarium. Made of a durable porous plastic, each Bubble Disk can be connected to your air pump and tubing (not included) using the standard 3/16 tubing connection to provide an endless stream of bubbles.