Focuslux 4 Pack T8 T12 LED Bulbs 4 Foot, 18W = 40W Fluorescent, 3200Lm, 4000K, T10 Light Tube, Single or Double Ended Powered, Dual End Ballast Compatible & Bypass , UL, DLC, Clear

?UL Listed And DLC Qualitied?Guaranteed to deliver the quality, performance, and savings. Our goods could meet the most rigid regulation for lightings ?132 LUMENS PER WATT ?This high output 4ft tube has a lumen count of 2,370 and a CRI rating of 85+. With super bright, high output LED tubes in the garage, warehouse, or office, shopping mall ?Please Kindly Mind the Compatibility of Ballast ? T8, T10 and T12 ceiling fixtures - clear LED tube lights are compatible with most existing fixtures. Fluorescent replacement is simple and LED retrofit can be done easily with a ballast bypass (direct wire) installation ( Plug & Play or Ballast Bypass). Compatibilty Ballast List can be downloaded in this detail page ? 50,000Hours Long Life Rating?As we use high purity aluminum with surface oxidation as the shell and with more thick and PC Cover, our goods has better hot emit efficiency. These tubes can last at least 20+ years depending on use, eliminating the cost to frequently replacement of your tube lighting ? 8 Year Free Warranty?Focuslux's hassle-free unlimited 8 Year Warranty has a high reputation in the commercial lighting industry and covers all of our T8/T10/T12 LED tubes. Contact directly our customer service team in Amazon if you need