WPRO will help extend the lifetime of your washing machine and dishwasher. The 3-in-1 formula effectively reduces limescale, cleans the machine from the inside by removing grease as well as detergent rests and leaves a fresh odor. We recommend to clean your washing machine and dishwasher monthly with this product to maintain the best performance of your appliances. This economy pack contains 12 bags to keep your washing machine or dishwasher in top condition. The Hotpoint Washing Machine Limescale and Grease Remover, also known as Wpro Limescale and Grease Remover, is a product designed to clean and maintain your washing machine.