A professional, powerful, and quiet automatic suction pool vacuum cleaner that quickly cleans your entire pool without missing spots. It is an efficient, durable, and quiet vacuum cleaning system with a long-life diaphragm membrane. The diaphragm eliminates the annoying flapper hammer noise that other flapper vacuum cleaners have. Replacement diaphragm included. The innovative vacuum design has incredible suction power, so it can quickly and easily clean your entire pool. It thoroughly cleans and removes all pool debris as it moves across floors, climbs up walls, and around steps without getting stuck.