Light Bright : Lasting finishes 2 times longer than Industry finishes . Kohler chrome products have 3 layer of coating for added protection to resist wear and corrosion longer, Life 50 : Tested for 50 years of life . Kohler's unique cartridges have near diamond hardness ceramic discs which grind debris and have a polishing effect for smooth and precise operation . They are tested for 2X industry standard at 1Mn cycle to give upto 50 years of performance, Click 50 : Feel the click for 50% water savings . Click 50 gives a precise two stage vertical resistance to control the water flow and save water everyday.