Feit Electric's 13-Watt Equivalent Direct Replacement (Type A) Non-Dimmable Linear LED Tubes replace F13T5 or T5 fluorescent and LED tubes. They work with most existing electronic ballasts for quick and easy installation， with no rewiring necessary. Each Linear LED light produces 1100 Lumens， while using less energy than fluorescents. These versatile 4000K Cool White lights provide clean， neutral white light for both living and workspaces. Use them for multi-purpose lighting or task lighting wherever it is important to feel refreshed and ready to get things done. An ideal choice for most fluorescent linear tube replacement applications， use them in offices， garages， workspaces， warehouses and more. T521/840/LED lights turn on instantly， offering flicker-free full illumination with no warmup time compared to fluorescent tubes. 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 $1.45 per year. Switch to Type A LED linear lights for your space and get up to 35，000 hours of superior light. That's 31.9 years based on 3-hours of daily use.
21 in. T5 tube LED light bulb with G5 base
Bulb tube type: type A direct replacement
Brightness: 1100 Lumens
Estimated yearly energy cost: $1.45 (based on 3-hours/day， 11/kwh. costs depend on rates and use)
Average life: up to 31.9-years (based on 3-hours/day)
Light appearance: 4000K (cool white)
Energy used: 12-Watt
Input line voltage: 120-Volt
Lumens per watt: 69
Uses less energy compared to a standard incandescent light bulb
Safety list: UL Listed
Works with most electronic ballasts， no rewiring is required
Shatter-resistant and mercury-free， no special disposal is required
Flicker-free， instant on illumination at full brightness
Ideal for various applications including office， garage， warehouse and basement
Usage: troffer， commercial and residential indoor use
Non-dimmable
Includes 24-light bulbs
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