MasterColor - Pulse Start - Metal Halide - Unprotected Arc Tube - 4000K - Medium Base - White Coated - Universal Burn - CDM 50W/940 Med ED17CO ALTO
Philips 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.