Philips MASTER PL-C is an efficient medium-wattage compact fluorescent lamp, typically used in general downlights for retail, hospitality, and office applications. The original Philips invented bridge technology guarantees optimum performance in the application, enabling more light and higher efficacy than the bent technology. The 4-pin version is designed for operation on electronic HF control gear with integrated pre-heat and is provided with a plug-in/pull-out lamp base.