Convert from 175 Watt Mercury Vapor or Metal Halide to High Pressure Sodium. Energy savings up to 25% reduction in electrical power usage and $240 energy savings per pole. Superior light performance, with up to 80% more lumens. Long life, equal to, or greater than existing lamps. Eliminate costly lamp recycling. EYE Sunlux Ultra Ace EN and Power Ace EN lamps meet Federal EPA, TCLP test criteria for being nonhazardous waste. Power Ace double the light output of Mercury plus an energy savings up to $240 per pole. Sunlux Super Ace features a reflector bulb. Nickel-plated base will not seize in the socket eliminating additional labor and spare parts cost associated with prying a lamp base out of a fixture socket. Simple retrofit by removing the Mercury or Metal Halide lamp, and screw in the EYE lamp.