Item Type: Magnetic Algae Scraper <br>Material: Plastic, Neodymium Magnet <br>Use: Magnetic Brush for Cleaning Fish Tank <br>Suitable for Fish Tanks: within 40cm/15.7in <br>Suitable Thickness of Cylinder Wall: ≤4mm/0.16in<br>1、Double Blade: Magnetic algae scraper has a double headed scraper, durable, a scraper that clean, comprehensive cleaning, saving more effort. <br>2、4X Powerful Magnet: Fish tank magnetic brush is designed with hollow inner brush, the brush is suspended and does not sink, and the 4X powerful magnet does not demagnetize for ten years. <br>3、Double Sided: Fish tank magnetic brush has durable inner bristles that won't deform, easy to remove algae, and soft outer bristles that won't hurt the tank wall. <br>4、Ergonomic Handle: Fish tank magnetic brush with ergonomic hand grip shape, frosted texture, non slip design. <br>5、Cautions: Aquarium glass cleaner magnetic powerful, please do not force break open cause accidental injury, separate magnetic brush need to twist 90 degree.1. Keep pacemaker wearers away! <br>2. Do not use this product in acrylic, plastic, crystal and super white fish tank! <br>3. Manual measurement, please allow slight error.1 x <br> <br>Magnetic&nbsp;Algae&nbsp;Scraper&nbsp;&nbsp;&nbsp;<p>2 x Blade</p>