Feit Electric's 8-watt Equivalent Direct Replacement (Type A) Non-dimmable Linear LED Tubes replace F8T5 or T5 fluorescent tubes. They work with most existing ballasts for quick and easy plug-and-play installation. These Linear LED lights produce 600 lumens, while using less energy than fluorescent lights. Feel refreshed and ready to get things done with these 4000K Cool White lights. Ideal for general use multi-purpose lighting or task lighting. Use in offices, garages, workspaces, and more. These lights offer instant-on, flicker-free full illumination with no warmup time. They are mercury-free and shatter-resistant for safe and easy disposal. Each high-quality bulb offers accurate color-rendering, for more vibrant, true-to-life colors. Switch to T512/840/LED Type A LED linear lights for your space and get up to 35,000 hours of superior light. That's 31.9 years with 3 hours of daily use.