Deep Blue Professional ADB88791 BioMaxx Power Filter Cartridge， Medium</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>BioMaxx power filter cartridge is the ultimate in performance and convenience</li><li>The multi-layer polyfiber outer shell traps debris and organic particles</li><li>The premium carbon inside absorbs dissolved contaminants， odors， toxins and discoloration</li><li>The rigid frame incorporates a media-grid design that ensures even distribution of the carbon granules</li><li>The BioMaxx medium cartridge fits BioMaxx 10 and 30 filters and also fits Tetra Whisper and Top fin power filters too</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/419jvznbqQL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31aY5HWr4zL.jpg' noproxy></br>