Fluval SPEC Replacement Foam Filter Block (3 Pack)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Fluval SPEC Replacement Foam Filter Block (3 Pack)</li><li>Foam filter block designed for the Fluval Spec aquarium</li><li>Traps particles and debris</li><li>Easy to replace</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/41hcL0vpdqL.jpg' noproxy></br>