PENN PLAX 4-Inch Bubble Disk Air Pump Accessories Medium

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 pourous plastic, each Bubble Disk® can be connected to your air pump & tubing (not included) using the standard 3/16" tubing connection to provide an endless stream of bubbles. The Deluxe Bubble Disk® can be set at any angle in your tank and can be buried without fear of clogging. Available in four different sizes including 3", 4" and 5" diameters or a 3-1/4" seashell design that will add look perfect in your underwater environment.