Powerful magnetic design - Designed with the magnet, when you move the outer magnet, the inner magnet followed, clean the glass and promotes the quality of the water. Can also clean aquatic plants, algae and gravel without scratching glass. Suitable for mini aquariums: Suitable for aquariums with a thickness of less than 8 mm. Can be used to clean the aquarium and provide fish a good living environment. Ideal for small glass aquariums, such as salty freshwater aquariums and grass. Comfortable grip: The magnetic cleaner for aquarium windows is ergonomic, comfortable to take charge of the brush. User-friendly design to feel relaxed and comfortable when using. Easy to use: The ABS material imported has a beautiful appearance and a light weight, so that the corners of the aquarium Can be cleaned. Durable - Neodymium magnets, magnetic materials with the greatest magnetic force in addition to the electromagnetic. Can be firmly adsorbed on the inner wall of the aquarium, can be used up to 10