50 WATT PAR 20 HALOGEN FLOOD 6000 HOUR ENERGY SAVING LIGHT BULB - Supra Life halogen lamps use a rigid quartz capsule for durability that ensures precise beam control through solid state design, while providing 13% energy savings compared to standard halogens. A unique coating on the reflector allows the heat to escape from the back of the lamp while directing light out the front. Rated at 6000 hours, Supra Life halogens will last and average of 12 months in commercial and retail applications, while providing up to 5 years of life in normal household applications.