Sponge Filter Nylon fiber biochemical pad - Foam Media</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>1. It can be washed repeatedly.</li><li>2. The Biochemical Filter has the best effect on decomposing the excrement and the forage leftover.</li><li>3. The material has great thickness，it is durable.</li><li>4. This product can be used for sea water tank，fresh water tank and waterweeds tank with the sizes being cut as your wish</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/61JOpsp%2BLNL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51uzsJl-Q4L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51w%2BgNhEhiL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51gVjN6zOaL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41n8jjCdLFL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51G2FuIFbCL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51bopMXcC9L.jpg' noproxy></br>