Tunze Care Magnet Strong Algae Cleaner

Revolutionary new magnet cleaner! Only the blades contact the panes of glass or acrylic so all the cleaning power is transferred to the blades. This unique design also prevents debris and gravel from being captured and scratching the panes.Suitable for Glass thickness from 15mm (1/2") to max. 20mm (3/4").Dimensions: Width 86mm (3.4 in.), length 140mm (5.5 in.).