Spa shower head with 3 negative ion ceramics

Shower head with 3 anti-chlorine, anti-limescale, negative ion ceramics Tourmaline: tones the bath Black Germanium Ceramic: produces negative ions and has a cleansing action on the skin. White antibacterial Ceramic: prevents the formation of pathogens in stagnant water in the shower. Reduces the consumption of shampoo and soap. The Ceramics are changed after 2 years of use The white ceramics are behind the chrome ring (in a pierced white compartment) the white ceramics are not visible to the naked eye when you look at the assembled shower head from the outside.