Small steel mesh ball to prevent the build up of lime-scale in all types of kettles, often called 'kettle furring'. Simply place the kettle collector in any type of kettle after washing, and limescale fur will collect on the fine stainless steel wire as the water boils. The kettle is then kept free of deposits, reducing boiling time, energy costs, and prolonging the life of the element.

Take out and squeeze to remove scale to reuse, this needs to be done regularly or it will become solid from scale build up.