Hyperikon T8 T10 T12 LED Light Tube, 4FT, Dual-End Powered, Easy Ballast Removal Installation, 18W (48W equivalent), 2320 Lumens, 4000K (Daylight Glow), Clear Cover, DLC & UL - (4 Pack) 128 LUMENS PER WATT  This high output 4ft tube has a lumen count of 2,320 and a CRI rating of 85+. With super bright, high output LED tubes in your garage, warehouse, or office, you will see things in a new light. 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: HyperBC-4C-405, UL Number: E472253. 45,000 HOURS - Hyperikon LED tubes have an outstanding life rating of 45,000+ hours and are composed of durable epoxy resin and aluminum alloy. These tubes can last 20+ years depending on use, eliminating the need to frequently replace your lighting. EASY LED DIRECT WIRE INSTALL - Hyperikon dual-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> 120-277V <span class="a-text-bold">Efficacy: </span>130 Lm/W <span class="a-text-bold">Color Rendering Index (CRI):</span> 85+ <span class="a-text-bold">Base Type: </span>G13