Help protect your customers, employees,and reputation Reduced impact on the environment without sacrificing performance;ALTO II means 50% less mercury than the original ALTO T8 lamps;High Color Rendering Indez Tuff Guard T8 lamps are designed to contain shattered glass particles in case of accidental breakage. Coated lighting is essential to help ensure the welfare of your customers, employees, and operation. 95% lumen maintenance and reduced lamp-end blackening;90 color rendering index;Only 1.7mg of mercury with ALTO II technology;Protective coating may reduce initial lumens by 5-7% Industry;Food & Retail