E27 6 w led tube lamp with extremely efficient led filament technology and eec a the led tube lamp can replace the traditional tube lamp of up to 40 watts and instantly catches the eye with its filament technology and the resulting carbon filament look with a very good colour rendering index of ra90 the tube lamp allows very good and yet genuine colour rendering and lights up the area of application with a very warm white light of 2 200 kelvins the light is distributed evenly thanks to a