The Imagitarium LED Round Airstone produces an illuminated burst of bubbles to help improve circulation and increase oxygen levels in your aquarium s landscape. Together these two features help improve the look and quality of your water so you can create a more captivating and healthy habitat for your aquatic pets. - Imagitarium LED Round Airstone from Imagitarium - Intended to be used with air pumps - Attaches easily with standard airline tubing - Includes a small colorful LED airstone and a UL 12 V transformer - For freshwater or saltwater aquariums New in box