Elite Air Stone Aquarium Decor， Round， 1-1/5-Inch</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Round 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>Round air stone measures 1-1/5-inch diameter</li><li>This product weighs 0.08-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/513f2559xPL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51sq75ZP8NL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/21ni5wMCPVL.jpg' noproxy></br>