8 ft. 42-Watt T8 Non-Dimmable LED Linear Light Bulb Type B Bypass Double Ended Single Pin Daylight 5000K (2-Pack)ProLED T8 Linear Bypass Lamps are energy efficient, long lasting replacements for traditional T8 and T12 fluorescent linear lamps. Most reliable and efficient way to retrofit existing Linear Fluorescent T8 and T12 luminaires with simple rewiring necessary to remove the ballast. 50,000 hour life resulting in lower maintenance costs over time. Brightness: 5500 Lumen Lifetime: 50,000 hours Color temperature: 5000K, 82CRI daylight Energy used 42 Watt