Shop Side Entry Walk-In Whirlpool Tub with Disinfection Cleaning System , Remedy™ UV Water Purification system, Seat Surface Heater, and Inline Water Heater, 1 to 12 Inch Length, Magellan™, 51 mm Blades, For Vitros® 5, 1 FS and 4600 Chemistry Systems and Vitros® 5600 Integrated System