Whistle Laundry Detergent delivers the cleaning power to get out even the toughest of stains and leaves laundry smelling fresh and clean. It is easy on the environment, letting your high-efficiency washer use less water and energy. This detergent with a floral scent is formulated to work in HE machines but can be used in all types of laundry machines. Concentrated formula works in commercial and industrial laundry machines as well as standard laundry machines.