Product Description Robotic cleaners are our most energy efficient automatic pool cleaners. They are 94% more energy efficient vs most pressure cleaners. TigerShark Parts Diagrams SharkVAC Parts Diagrams Ctn. Qty. 1 Ctn. Weight 1.0 lbs. From the Manufacturer Hayward Pool Products Tigershark automatic pool cleaners cartridge assembly including frame for holding motor and two cartridges. Two replacement cartridges come with the unit.