ExoTerra PT3638 Carbon Bag</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Eliminates discolorations to keep water crystal clear</li><li>Effectively removes heavy metals， organic contaminants and pollutants</li><li>2 carbon bags</li><li>This item can be used for Model PT3630 Filter</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/41ngFGcddTL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31XEjNRr0cL.jpg' noproxy></br>