Saim Aquarium Algae Cleaning Magnet Glass Aquarium Cleaner， Large</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>This magnetic cleaner can be used on glass or acrylic tanks up to 0.20" - 0.79" (5 - 20 mm) thickness</li><li>Perfect design that flips from scrubber to scraper.</li><li>Complete cleaning without using extra hand.</li><li>Blades can be assembled easily.The plastic blade is suitable for acrylic tanks ，and the stailess steel blade Use only on glass tanks</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/51X-8w-qgIL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41yqHHYNA3L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41RgW-7mJ-L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41brAYTzMNL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41qnDlbFTfL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41u-a477CVL.jpg' noproxy></br>