Product information: Material: ABS Process: PC Weight: 218g Size: 23.5*8cm Rated pressure: normal pressure Installation caliber: four-point interface Function: rain shower, negative ion function Packing list: 1 * Negative ion shower 【High Pressure, Purift & Save Money】 By combining the technology and water-saving micro-jet nozzle holes, the 3 Way Function shower head compresses water by cleaning ion filters and mineral balls - up to 30% water savings and 200% water speed increase next to the normal shower head. 【Special mineral balls】The infrared mineral stone and the negative ion mineral stones form a double filter system that helps reduce chlorine and absorb pollutants in the air, cleans and softens the shower water and makes the skin and hair softer and smoother.makes and skin andMakes hair softer and smoother. 【Easy Installation】Connects just one pair of hands in minutes without tools.No plumber needed.Easy to install and use.It fits any standard standard hose.