Check the listing for details. Flipper FLOAT Nano Algae Magnet Cleaner up to 1/4" Tanks. Condition: New. Listed at 29.99 USD. For use on glass tanks up to 6mm (1/4") thickness or about 25 Gallons Scrub, Flip, Scrape, and Now *FLOAT* with FL!PPER Aquarium Cleaner! The Fl!pper Floating Nano Aquarium Cleaner is the last aquarium cleaning tool you will ever need! Flipper's patented design creates the only 2 in 1 aquarium cleaner that can FLIP from scrubber to scraper simply by rotating the handle. Complete cleaning without ever getting your hands wet! Flipper NANO Float Features Now FLOATS to the top of your aquarium if the cleaner ever becomes detached for even easier retrieval. New improved longer lasting handle pad surface Made with rare earth magnets for incredible cleaning strength and durability. Cleans even the most stubborn coraline algae Blade side has only 3 contact points resulting in a safety gap between the cleaner and the glass. This minimizes the chance of trapping sand, and thus reduces the chance of scratching, even when cleaning below the sand Unique orienting buoyancy always keeps the magnets facing the glass for easy retrieval Includes Stainless Steel blade for glass tanks only. It is recommended to replace blades every 3-6 months to maintain optimal algae scraping Designed for smaller tanks - Up to 1/4" (6mm) or about 25 gallons Listing and template services provided by inkFrog