Feit Electric T848/841/LED/2 Plug-N-Play Led Fluorescent Tube Replacement Frost Life - energy saving - upgrade your traditional fluorescent Fixtures to the latest LED technology. Enjoy the benefits of lower maintenance costs, superior light quality, long life and energy savings Features - no replacement or removal of old ballast necessary to use this light. This light has instant full brightness even in sub zero temperatures. The 4000K provides a cool white light generating 1600 lumens and using only 18 watts of power. This light bulb features shatterproof Acrylic lens and is 100% glass and mercury free Linear tube - linear tubes are commonly used in a range of Fixtures to light offices, warehouses, utility rooms and more. They are known for their reliability to provide an even distribution of light wherever it's needed. You can conserve energy and save money with the latest LED technology LED technology - the latest energy efficient LED technology uses considerably less power, with an estimated energy efficiency of up to 54%, and saves your money compared with the equivalent fluorescent light. Rated to provide up to 35, 000 hours of reliable light, the bulbs last for years without needing to be replaced. Get instant on to full brightness even in sub-zero temperatures with relatively cool running performance Innovator in energy efficient Lighting - founded and headquartered in California, Feit Electric is celebrating 40 years as a leading global Lighting Manufacturer. From outdoor string lights to night lights, Feit Electric offers its customers a full portfolio of reliable Lighting products including home dcor Lighting collections, light Fixtures, smart and feature rich high-performance Lighting solutions as well as a full line of general household, specialty light bulbs in all shapes, sizes and configurations