♬Help keep water beautifully clear. ♬The external filter polyester pad can effectively filter impurities, keep pumps and prolong the service life. ♬Polyester materials. , convenient to and replace filter polyester plate. ♬It is suitable for users in homes, offices, hotel and other place who use pumps. ♬Our filter can be widely used in waterscape facilities such as fish tanks, flower pond and fountains to get a clear water and provide a .