Kent Marine AKM00984 3-Pack Algae Blade Pad</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Will not scratch acrylic or glass like metal blades do</li><li>Soft enough to reach into and clean out previously scratched glass or acrylic</li><li>Will clean out algae that naturally grows in such scratches</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/51gPeqNYz1L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51SXP4yKXLL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31xEhw78nWL.jpg' noproxy></br>