DescriptionInstantly creating a mist of tiny bubbles that your fish will love, the Bubble Wall Air Stone is the best partner of air pump and can evenly distribute fine bubbles in your tank. The bubble wall comes with 2 rubber cups for convenient to attach it to your aquarium and a converter to add additional bubble walls.Features- Color: green- Material: Plastic.- Size: 25.4 x 1 x 2.5cm.- for your fish tank or aquarium, and it is the best partner for air pump.- Instantly create a great deal of tiny bubbles that your fish will love.- Additional bubble walls can be jointed with the enclosed connector- Come with 2 rubber cups to produce enormous power to stick to glass surface firmly.- Need to use a pin or needle to puncture for as many small holes as needed before using.Package Including1 x