Hyperikon T8 LED Light Tube, 4ft, 16W (36W equivalent), 3500K (Warm White), Single Ended Power, Clear 3 Line, UL-Listed & DLC qualified Save 50% on your electricity bill! Replace 36W fluorescent tubes by 18W LED. Reduce re-lamp frequency with a lifetime of 45,000+ rated hours (21 years with 3 hours/day 365 days) Hyperikon's T8 LED tube provides are warm white color (3500K) California Bestseller with a proven track record. Installed by hospitals, supermarkets, schools and hotels in San Diego and Los Angeles counties. For your safety Hyperikon products are UL-listed to avoid electrical shock and fire hazard