Philips 15143-1 - 70 Watt - PAR30L - Metal Halide Pulse Start - Protected Arc Tube - 4000 Kelvin - ANSI M139/O - Medium Base - Flood - Universal Burn - CDM70/PAR30/L/M/FL/4KPhilips MasterColor Ceramic Metal Halide Lamps offer a range of protected, high efficiency long life with stable color over lifetime and a crisp, sparkling light to be used in open fixtures. Please note that metal halide lamps cannot be operated without a ballast. Mercury containing products sold into the state of WA include an environmental handling charge of . 95 each