Fluval MSF Filter Case for Canister Filter， 6-4/5 by 9-4/5 by 10-1/2-Inch</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Lava rock biological filter media</li><li>Fits Fluval 305， 306 canister filter</li><li>Measures 6-4/5-inch length by 9-4/5-inch width by 11/2-inch height</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/41S1UzS0iyL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41RXNZ-aEmL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31LxT0M45BL.jpg' noproxy></br>