Osram SubstiTUBE Eco ST8E-EM 9W 600mm delivers energy-efficient LED lighting with a G13 base, offering warm white 3000K light. Designed for electromagnetic control gear, this T8 glass LED tube ensures a fast retrofit without rewiring. It is highly durable under frequent switching, mercury-free, and suitable for ambient temperatures between -20 to +45 °C. Perfect for corridors, parking garages, retail spaces, and industrial settings.