Feit Electric’s 10-watt (17/20-watt Equivalent) Direct Replacement (Type A) Non-Dimmable Linear LED Tubes replace F17T8 or T8 and F20T12 or T12 fluorescent and LED tubes. They work with most existing ballasts for quick and easy plug-and-play installation, with no rewiring necessary. Each Linear LED light produces 800 lumens, emitting the same light output level as traditional bulbs while using less energy. These bright 5000K Daylight White lights provide crisp light for both residential and commercial spaces. They emit an invigorating cool white light that is ideal for reading, working on intricate projects, and revealing fine details. Create an energetic mood ideal for craft rooms, bathrooms, kitchens, laundry rooms, utility rooms, outdoor security lighting, classrooms, and hospitality settings. Enjoy up to 50% energy savings and lower maintenance costs compared to traditional fluorescent linear lights. T24/850/LEDG2/RP lights turn on instantly, offering flicker-free full illumination with no warmup time. They are mercury-free, with a shatter-resistant coating for safe and easy disposal. Each high-quality bulb offers accurate color-rendering, for more vibrant, true-to-life colors. Lower heat emission extends the life of the tube and ends do not turn black or burn with age. The estimated energy cost is only $1.20 per year. Switch to Type A LED linear lights and get up to 50,000 hours of superior light. That's 45.6 years based on 3 hours of daily use.