Fluval Exhaust Stem with Holes for Canister Filter， 12-Millimeter， Gray</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Fits Fluval 103， 203， 303 canister filters</li><li>Includes holes and available in gray color</li><li>Comes in polybag with header</li><li>Measures 12-millimeter size</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/112Ke%2BFSs6L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31or6kF9vXL.jpg' noproxy></br>