Hydor Professional Canister Media， Fine White Filter Pad， 2 pk</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Specifically cut for use with Hydor Professional Canister Filter 250 or 350</li><li>Box contains 2 white pads</li><li>Mechanically filters fine debris and detritus from aquarium water</li><li>This pad should be placed in the top filter basket and should be the last stage of filtration that the aquarium water passes through</li><li>It is recommended that these pads should be changed out every 1 to 3 months</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/41jmjVhlTiL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41m6jSvBhBL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31eScLpBSFL.jpg' noproxy></br>