Long Life, Environmentally-Responsible Lamps Sustainable lighting solution - Reduces the impact on the environmentlow mercury and energy efficient.;Outstanding lumen maintenance - 95%.;Reduced lamp end blackening. Philips leads the industry with the lowest level mercury technology. Reducing the mercury level (source reduction) during the manufacturing phase is essential to creating products that are less harmful to the environment. Long LifeUp to 30,000 hours rated average life.;T8 lamps means reduced maintenance and disposal costs.;Environmentally ResponsibleLow mercury.;Sustainable Lighting Solution-Less mercury and fewer lamps in landfills, combined with energy efficiency reduces the impact on the environment.;TCLP compliant*;Available in 59 watts with 3000,3500,4100,and 5000 color temperatures.;* Fluorescent lamps that are TCLP compliant reduce the amount of pollutants released into the environment. Ideal for applications where long life is important.