Material: durable hard plastic and soft rubber 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 blade 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.Instantly creating a mist of tiny bubbles that your fish will love, the 10-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.FeaturesColor: mainly blue.Material: durable hard plastic and soft rubber.Tube length: about 10-inch /25.4cm.100% brand new and high quality Fish Tank Aquarium Bubble Wall Air Stone Tube.Need to use a pin or needle to puncture for as many small holes as needed before using. Package Including1 * Aquarium Bubble Wall Air Stone Tube