Leadrise Magnetic Aquarium Glass Cleaner - Aquatic Algae Cleaning Magnet</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Clean algae and scum off of the inside of your aquarium the easy， fun way!</li><li>Strong magnetic forces cause the inside cleaning brush to follow the outside handle. Just wipe the outside， and the inside is cleaned!</li><li>Dimensions: 3.7'' x 1.7'' x 2.8''(9.5*4.3*7.2cm); great for small to medium aquariums</li><li>The inside piece floats， so if it becomes separated from the outside piece， it's easy to retrieve.</li><li>NOTE：thickness of your fish tank glass should less 8mm</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/41uQTpbYfwL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/61td9%2B23dPL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41jshtYr45L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41eYE%2BN24BL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31vGYbqMPqL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31w45lHGF4L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/5192SOcEX5L.jpg' noproxy></br>