uxcell Fish Tank Air stone Bubble Wall Tube Airstone 7.7-inch 6 Pcs Blue</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Product Name : Aquarium Bubbles Air Stone;Suitable for : Fish Tank， Aquarium;Material : Rubber， Plastic，Paper</li><li>Air Stone Body Length : 16.5cm/6.5";Tube Diameter : 1cm/0.4"</li><li>Total Size(Approx.) : 19.6 x 2.5 x 2.5cm / 7.7" x 1" x 1"(L*W*H);Hole Outer Diameter : 5mm/ 0.02"</li><li>Hole Inner Dia : 2mm/0.08";Color : Blue</li><li>Net Weight : 130g;Package : 6 Pcs x Aquarium Bubble Air Stone</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41Zf3OodkkL.jpg' noproxy></br>