Simply irresistable. Superior light quality from start to finish MasterColor CDM lamp gives a unique combination of unbeatable light quality and consistent performance over lifetime while keeping running costs low. The Philips MasterColor Tubular Single-Ended T6 lamp is a compact, energy efficient, ceramic metal halide lamp that provides crisp, sparkling light. Energy-efficient alternative to incandescent/halogen.;Improved lumen maintenance over standard metal halide.;A compact solution for retail displays.