This stainless steel wire descaler is designed to present annoying furring in your kettle. Perfect if you're living in a hard water area where the build-up of limescale on your kitchen appliances is prevalent, this descaler fights against the force of limescale in order to keep your kettle brand spanking new. By placing the descaler inside the kettle during use, it collects fur effectively and efficiently by attracting scale. Make sure you rinse your descaler regularly to ensure a long life.