AquaClear 30 Zeo-Carb Replacement Filters (3 Pack)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>3 Pack of AquaClear 30 Zeo-Carb Replacement Filters</li><li>Removes and controls harmful ammonia</li><li>Immense surface area for beneficial bacteria to populate</li><li>For freshwater aquariums only</li><li>Exclusively designed for use in the AquaClear 30 Power Filter</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/51AttzgOtcL.jpg' noproxy></br>