The Ledvance SubstiTUBE Eco 18 W LED tube provides efficient general illumination in a wide range of commercial and industrial environments. Its robust glass construction resists bending and withstands harsh switching conditions. Designed for electromagnetic control gears, it ensures hassle-free retrofitting with no rewiring needed. With a lifespan up to 15,000 hours and mercury-free components, this LED tube delivers bright, consistent daylight color (6500 K) with excellent color rendering for safe and comfortable lighting.