The XL Blue Color Air Stone is a great way to add a decorative touch to your aquarium. This air stone is made from plastic and is available in a blue color. It is designed to be used with an air pump to add oxygen to the water, and it also helps to create a relaxing atmosphere for your fish. The air stone has a dimension of As per available Millimeter (mm) and is perfect for larger aquariums. It is easy to install and maintain, and it will help to keep your aquarium looking beautiful. This air stone is a great choice for both beginner and experienced aquarium owners. It is an affordable way to make a big impact in your aquarium, and it is sure to be a hit with your fish. The air stone will help to keep your aquarium clean and healthy, and it will also help to create a relaxing atmosphere for your fish.