JBL Floaty Blade L XL Aquarium Algae Glass Cleaner Magnet

JBL Floaty Blade Aquarium Algae Glass Cleaner Special features: Blade insert with a blunt blade with no risk of cutting (removes even the most stubborn of films). Available in two sizes: JBL Floaty Blade L for 15 mm glass and JBL Floaty XL Blade for 25 mm glas thickness. Replaceable blade insert.