Supa Algae Magnet Small allows you to clean the glass inside your aquarium without the need to get wet. A strong magnet on the outside holds the inside cleaning pad in position. The abrasive material on the inside magnet cleans the tank while the outside magnet which has a soft felt pad polishes the glass.
Size of the magnet is 5cm (W) x 2.5cm (L) x 3.7cm (H).
Suitable for aquarium glass up to 6mm thick.