Light Efficient Design LED-6115-UL-4-40K-BFR LED Light Tube, T8, 48", 120V-277V, 18W (32W Equivalent) Frosted Lens - 4000K - Cool White - 1880 Lumens LED T8 Retrofits can impact energy usage and costs in a major way with absolutely no danger of mercury vapor contamination 18w power consumption Replaces T8 Fluorescent &gt;80 CRI 50,000 Rated L70 LED life 120-277V UL listed - UL1598C for both USA and Canada DLC approved 5 Year warranty Single End Power Must remove or bypass ballast G13 - Non-Shunted Sockets Applications: Cold display Computer and equipment rooms Hospitality lighting Residential and institutional utility room Lab and clean room lig