Philips Fluorescent tube G13 T8 58W MASTER TL-D Super 827; G13 fluorescent bulb MASTER TL-D Super 80 – brand name Philips The Master TL-D Super 80 fluorescent bulb replaces conventional TL-D fluorescent bulbs with 26 mm and significantly surpasses them in terms of service life and luminous efficiency. With its good colour rendering index of Ra>80 (Super 80 light colours thanks to 3-band fluorescent material) and a light output that remains virtually stable throughout its entire service life, it is ideal for use in offices and industry, or for basic lighting in business premises. Features: - Very long service life of up to 20,000 hours - Virtually constant light output over the entire service life - Good colour rendering index of Ra > 80 (Super 80 light colours) - Low mercury content - Available in 14W / 15W / 18W / 23W / 30W / 36W / 38W / 58W / and light colours 827 / 830 / 840 / 865 - Dimmable Application: - Office and industrial (good colour rendering, long service life and luminous efficiency), basic lighting in shops. Ballasts: - Can be operated with conventional (VG) or electronic ballasts (EB), maximum efficiency with electronic ballasts.