GE 42066 - 39 Watt - PAR30L Spot - Pulse Start - Metal Halide Protected Arc Tube - 3000K - ANSI M130/O - Medium Base - Universal Burn - CMH39/PAR30L/SP15 CFL Replacement These tubes are instant on

These tubes are instant on at full brightness with no buzzing or flickering

Halogen Bulb for 18852

This fully dimmable

Featuring a traditional design with a white finish and a ribbed frosted lens

GE 42066 - 39 Watt - PAR30L Spot - Pulse Start - Metal Halide Protected Arc Tube - 3000K - ANSI M130/O - Medium Base - Universal Burn - CMH39/PAR30L/SP15 CFL Replacement These tubes are instant onConstantColor ceramic metal halide lighting brings the world to life, thanks to exceptional color rendition that persists through the life of the lamp. And that's just one of the advantages of GE's CMH technology. ConstantColor CMH combines high energy efficiency, superb lumen maintenance, and long life to reduce operating and replacement costs. Please note that metal halide lamps cannot be operated without a ballast. *Mercury containing products sold