Flipper Edge 2 in 1 Magnetic Floating Aquarium Algae Cleaner (MAX)

"Scrubber, Scraper, Flipper! Now with TWICE the cleaning power! FL!PPER Aquarium Products' patented 2-in-1 magnetic aquarium cleaner, now with dual blades, FL!PS from Scrubber to Scraper simply by rotating its handle."