Removes up to 50 Tough Stains with In-Built Heater 6th Sense Technology Whirlpool's 6th Sense Technology uses a combination of sensors and algorithms to provide best wash performance and ease of mind ZPF Technology With ZPF Technology, the washing machines fills the tub 50%* faster even when the pressure is as low as 0.017MPa*. Spiro Wash Action Now get 20% better cleaning with the new Spiro Wash Action .This advanced Wash motion washes clothes in a unique circular motion giving it a complete through wash. Hard Water Wash Unique hard water wash program that gives better dirt and stain removal even in hard water conditions.