1Made of high-grade material, which is non-toxic, safe, wear-resisting, durable and friendly to the environment. 2Submersible motor, low noise, low power consumption. 3The use of plastic shaft chip, wear to prevent, durable, energy efficient, full of power. 4No need any tools to detach it, easy to separate, easy to clean. 5Suction cups can be a good fit in the glass surface, to help keep it stability.