Hyperikon T8 T10 T12 8ft LED Tube Light, 36W (75W Equivalent), Dual-End Powered, Ballast Bypass, Shatterproof, Fluorescent Replacement, 5000k, Clear, 4400 Lumens, Workshop, Warehouse, Garage 120 LUMENS PER WATT  This high output 8ft tube has a lumen count of 4300+ and a CRI rating of 85+. With super bright, high output T8 LED tubes in your garage, warehouse, or office, you will see things in a new light. UL-LISTED- This product has been tested and listed by the Underwriter Laboratories meaning it has met their requirements and nationally recognized safety requirements. UL Number: E472253 HyperBY-8C-XX2 45,000 HOURS - Hyperikon LED tubes have an outstanding life rating of 45,000+ hours and are composed of shatterproof, durable epoxy resin and aluminum alloy. These tubes can last 20+ years depending on use, vastly reducing relamp frequency and maintenance costs. EASY BALLAST BYPASS INSTALL - Hyperikon 8ft LED tube lights are dual-end powered and require a simple, energy-saving, ballast bypass (direct wire) installation. Refer to our installation guide for details. BEST-IN CLASS-WARRANTY - Hyperikons hassle-free UNLIMITED 5 Year Warranty is unrivaled in the commercial lighting industry and covers all of our T8 8ft LED tubes. Contact our customer service team 24/7!