hykolity 8FT T8 T10 T12 50W LED Tube Light [100W Fluorescent Equivalent] 5000lm 5000K Daylight White Frosted Lens Cover FA8 Single Pin Dual-End Powered Fluorescent Tube Retrofit Replacement-Pack of 4 Energy Saving - Energy Savings of up to 75% over our product's lifespan. Rated over 50,000 hours of use, that's about 23 years @ 6 hours/ day. Easy Installation - Our LED Tube Lights only work with Electronic Ballast, not traditional Inductive Ballast. Wide Application - Ideal to Installed in offices, schools, hospitals, hotels, workshops, etc. Also suitable for indoor garden lighting. High Quality - ETL Listed. Made to the highest standards to avoid electrical shocks or fire hazards.