4 ft T8 LED Tube, A+B Ballast Compatible, 10-20 W Selectable, 6 CCT, ETL Listed

This 4 ft Type A+B LED T8 tube is intended for commercial and industrial fluorescent retrofit work. It operates with or without an existing ballast and accepts single-end or two-end wiring, and the aluminum and PC body handles heat dissipation across all selectable settings. Onboard switches provide six wattage settings from 10 W to 20 W and six correlated color temperatures from 3000K to 6500K, reducing the number of SKUs held for a mixed retrofit. Efficacy is rated at 120 lm/W with CRI 80 and a power factor above 0.95. Input range is 120-277 V, the tube is mercury-free and rated IP20 for dry interior use, and rated life is 50,000 hours over an ambient range of -20°C to 60°C. The tube is ETL listed and RoHS compliant, and carries a 5-year warranty.