Aquarium Bubble Wall Air Stone TubeSuitable for : Tank, AquariumShaped : Tube DesignMaterial : Plastic, Rubber, PolycylTube Size : 17.8cm x 0.9cm / 7" x 0.35"(L*D)* Instantly creates a mist of tiny bubbles that your fish will love* Bubble wall comes complete with suckers to attach it to your aquarium and a free converter to add additional bubbles walls* You can use a pin or a needle to puncture with as many small holes as needed. * Color : Blue * Net Weight : 9g * Package : 1 x Bubble Wall Air Stone Tube,2 x Suction Cup,1 x Air Intake,1 x StopperNote:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.