KLOUD City® Bubble Release Aquarium Fish Tank Air Stones</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Package includes 10 pcs cylinder shaped ( 5 pcs blue， 5 pcs gray) air stones</li><li>Provides a continuous tower of bubbles to help aerate your aquarium</li><li>Accelerates oxygen replenishment</li><li>Fits standard airline tubing</li><li>Dimension(LxW): 1.5"x0.5". Weight: 0.3oz</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/51-xhMR2w9L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51Vvue7-XNL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/21VWvgUn4WL.jpg' noproxy></br>