Fish & Aquatic Supplies Square Large Foam by Eshopps</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Made with a durable material</li><li>Replacement sponge for RS-100， RS-200 & RS-300</li><li>Can be rinsed off for multiple reuses</li><li>Filters out particles and debris</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/41VdYLmJZJL.jpg' noproxy></br>