Our shower head filter handheld strengthens the filtration by two layers, the cartridge filter and the stainless steel sieve which can filter out sediment, rust, impurities, heavy metals and other harmful substances.In addition it can also remove chlorine, and soften hard water. More pure shower makes your life healthier. It prevents harmful substances from stimulating your skin, so the anti limescale shower head can reduce hair loss and bring you an experience of beauty.The tiny holes make the spray water finer, more attentive and careful, therefore make it easier to wash and to rinse. What's more, the spray mode can be adjusted by turning the knob according to your needs, which gives the skin better pleasure and helps you feel the most natural and comfortable relief.An additional carbon filter cartridge included to replace.