EYE Sunlux Ultra Ace And Philips Retrolux HPS Conversion lamps retrofit Mercury or Metal Halide lighting systems to HPS lighting with a simple lamp change. Save up to 25% in energy savings based on $0.10kWh over lamp life while producing Up to 80% more lumens when retrofitting from Mercury. Sunlux Ultra Ace lamps meet the EPA TCLP requirements for non-hazardous waste.