Description Instantly creating a mist of tiny bubbles that your fish will love, the 7-inch Bubble Wall Air Stone Tube is the best partner of air pump and can evenly distribute fine bubbles in your tank. The bubble wall comes with 2 rubber suction cups for convenient to attach it to your aquarium and a free converter to add additional bubble walls. Additional bubble walls can be joined with the enclosed connector, or can be cut with a razor bladed to devide or shorten, super-porous and non-clogging. Therefore, it is really a wonderful bubble wall tube for your fish tank or aquarium. Features - Color: mainly blue. - Material: durable hard plastic and rubber. - Tube length: about 7-inch /17.8cm. - and Fish Tank Aquarium Bubble Wall Air Stone Tube. - Perfect 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. - The tube can be cut with a razor to be shorten. - Additional bubble walls can be jointed with the enclosed connector - Come with 2 rubber suction 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 list: 1 * 7-inch Fish Tank Aquarium Bubble Wall Air Stone Tube with Suction Cup (Blue)