Gx24q compact fluorescent bulb philips master pl tthe philips master pl compact fluorescent bulb can be used wherever a high degree of illumination and maximum efficiency are desired through the special bridge technology of the bulb an optimum level of light output is reached in particular with higher temperatures features good colour reproduction ra 80 particularly long lifespan of up to 13 000 hours more light at high temperatures in the lamp through philips bridge technology with