Hyperikon T8 LED Shop Light Tube, 4ft, 18W (40W equivalent), 4000K (Daylight Glow), Single-Ended Power, Clear Cover, G13 Lighting Fixtures, UL & DLC - 4-Pack REBATE ELIGIBLE  DLC 4.3 Qualified and UL-Listed. DLC allows eligibility for state and nationwide rebate programs. Model Number: HyperBY-4C-405, UL Number: E472253 HyperBY-4X-XXG 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. 117 LUMENS PER WATT  This high output 4ft tube has a lumen count of 2,120 and a CRI rating of 84+. With super bright, high output LED tubes in your garage, warehouse, or office, you will see things in a new light. 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>117 Lm/W <span class="a-text-bold">Color Rendering Index (CRI): </span>84+ <span class="a-text-bold">Base Type: </span>G13