Elite Air Stone Aquarium Decor， Cylinder， 1-1/2-Inch</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Cylinder air stone is ideal for adding accents in any aquarium the air stone diffuses air， creating water movement</li><li>The air stone also increases surface agitation， accelerates oxygen replenishment and helps release carbon dioxide build-up</li><li>Simply connect the air stone to your airline tubing and place it in the desired location</li><li>Cylindrical shape stone measures 1-1/2-inch</li><li>This product weighs 0.03-pound</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/514exdLoxML.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51c61TB5DVL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31Ea24tUCtL.jpg' noproxy></br>