Zanyzap Foam Filter Blocks for Fluval FX5/FX6 Aquarium， 3 Pack</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Captures large particles</li><li>Custom fit to prevent bypass</li><li>For freshwater and marine environments</li><li>Bulk packaged to save you money and save our environment from wasted packaging</li><li>Fits both FX5 and FX6 canister filters</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/31PPevf8Z0L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31iRz1DFQoL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41BAFLSLKOL.jpg' noproxy></br>