Osram LUMILUX T8 21W 840 Fluorescent Lamp

The Osram LUMILUX T8 21W 840 is a high-quality T8 fluorescent tube lamp (reference FH21840), manufactured in glass with a T8 lampholder, a length of 850 mm and a diameter of 16 mm. Produced by Osram, it features the top-grade LUMILUX three-band phosphor coating, which ensures consistent and long-lasting luminous performance, with a luminous flux of 1900 lm and outstanding lumen maintenance of 90% throughout the entire service life of the lamp.

With a 4000 K neutral white colour temperature and a colour rendering group of 1B (Ra 80–89), this fluorescent lamp delivers clean, uniform and reliable light suited to demanding professional environments such as offices, public buildings, retail spaces, industrial facilities and supermarkets. Operating at 220–240 V with a modest consumption of 21 W, it offers excellent energy efficiency. The dimmable function allows light output to be adjusted according to operational requirements, making it compatible with various control systems. The neon discharge technology combined with the LUMILUX coating ensures reliable ignition and extended lamp life, making it a versatile professional solution for both indoor and outdoor use when installed in suitable luminaires.