Energy Class A. OSRAM DULUX L is an energy efficient CFL for professional use with conventional ballast. The Dulux L bulbs use a 2G11 lamp base. Light output is 67-87 lumens / watt
Lifespan: life of 20,000 hours
Available: in light colors 827 (warm white), 830 (white), 840 (bright white) and in wattages 18W, 24W, 36W and 55W. The color rendering index Ra 80 to 89.
Alternative: OSRAM DULUX L is possibly compatible with the Philips Master PL-L lamp. You will need to use the same wattage! These lamps also use the 2G11 lamp base 
