S14d 6w ledinestra line bulb in a tube form with a socket osramthis led line bulb convinces both with its significantly reduced energy consumption compared to a conventional line bulb as well as with its increased usage lifespancharacteristics significant energy savings compared to conventional line bulbs longer lifespan and usage life of up to 12 000 hours warm white light colour 2 700 k good colour reproduction ra 88 immediately 100 light no heat up time mercury free light bulb l