Check the listing for details. Razor+ 2-in-1 Scraper Medium 3 Pack Replacement Blades - Fluval. Condition: New. Listed at 24.99 USD. Go from scraper to scrubber in one simple snap with the Razor+ 2-in-1 Algae Magnet. For up to 4106 mm glass thickness. (0.40 inches). 2-in-1 design allows user to change from scraping to scrubbing mode in one simple flip Non-abrasive scrubber is effective on algae, yet gentle on aquarium glass 316 Stainless Steel replaceable blade scrapes without scratching for hard to remove algae (replacement blade Item# 11085) Long and thing design easily slips between and behind coral and rocks Rounded scrubber surface suitable for flat or curved aquariums Anti-friction pads smoothly glide the scraper over the glass Long scrubber / Short handle ideal for corralling bubble accumulation at the top of the Fluval Edge aquarium For use in freshwater and saltwater aquariums Listing and template services provided by inkFrog