The Faucet Tap Water Filter brings instant filtered water, making it easy to fill your kettle and easier to use and cook with. The Tap Water Filter reduces the heavy metals in your tap water, including lead and copper. It also reduces the carbonate hardness that causes limescale build-up in kettles. Formed of active carbon, ore and filter fabrics. Fits for the circular tap with protuberant nozzle and diameter of 16-17mm.Can remove iron rusts and stink of chlorine. Heavy metals such as lead and copper can be found in tap water due to both domestic plumbing and supply pipelines. The Faucet Tap Water Filter brings instant filtered water, making it easy to fill your kettle and easier to use and cook with. The Tap Water Filter reduces the heavy metals in your tap water, including lead and copper. It also reduces the carbonate hardness that causes limescale build-up in kettles. Formed of active carbon, ore and filter fabrics. Fits for the circular tap with protuberant nozzle and diameter of 16-17mm.Can remove iron rusts and stink of chlorine. Heavy metals such as lead and copper can be found in tap water due to both domestic plumbing and supply pipelines.