These Philips brand 11-watt 2 pin master PLS single turn fluorescents with a cool colour temperature of 4000k and a G23 cap type is perfect in commercial luminaires, downlights, bulkheads and retail units.With excellent colour rendering and a lumen output of 900 this product has a high output and long average rated life of 10000 hours.Need more help in choosing a suitable light bulb? Read our guide Choosing Compact Fluorescent Lamps
