CNZ Fish Pond Filter Pad Media， White</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>100% polyester non-woven filter media</li><li>Graduated density design allows for better filtration and improved flow</li><li>Works well in all environments/completely non-toxic</li><li>Perfect for use in biological filters， settling tanks， and pump pre-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/31dtiYxTC2L.jpg' noproxy></br>