Hyperikon T8 T10 T12 LED 4FT Tube Light, 4 Pack 116 LUMENS PER WATT  These T8 4ft SEP Tubes have a lumen count of 2100, a wide beam angle of 140 degrees, and a life span of 45,000 Hours. UL-LISTED  Certified to deliver the quality, performance, and savings. This product has been tested and listed by the Underwriter Laboratories meaning it has met their nationally recognized safety requirements. Model Number: HyperBY-4F-306, UL Number: E359780. 45,000 HOURS & ENERGY EFFICIENT - Hyperikons T8 4ft Single-Ended Frosted Tubes are built with patented technology to last for 45,000+ hours, eliminating the need to frequently replace your fixture. By replacing HIP/HID/MH bulbs/fixtures with 18W LED, you are reducing your electricity cost by up to 80%. EASY LED DIRECT WIRE INSTALL - Hyperikon single-end powered tubes are compatible with T8, T10 and T12 ceiling fixtures and require a simple ballast bypass. 5 YEAR WARRANTY - Hyperikons hassle-free UNLIMITED 5 Year Warranty is unrivaled in the commercial lighting industry and covers all of our T8 LED tubes no matter what. Contact our customer service team 24/7! <span class="a-text-bold">Wattage: </span>18W <span class="a-text-bold">Equivalent to: </span>40-50W <span class="a-text-bold">Input Voltage:</span> 120-277 V <span class="a-text-bold">Efficacy: </span>122 Lm/W <span class="a-text-bold">Color Rendering Index (CRI): </span>85+ <span class="a-text-bold">Base Type: </span>G13