Philips linear fluorescent 21-Watt 34 in. T5 cool white light bulb (F21T5/841) is ideal for residential use in garages workshops, basements, as well as for commercial use in general, decorative and architectural lighting. It provides a cool white light.

• Brightness: 1950 lumens
• Estimated yearly energy cost: $2.89 (based on 3 hrs/day, 11c/kWh. Costs depend on rates and use.)
• Life: 22.8 years (based on 3 hrs/day)
• Light appearance: 4100K (Cool White)
• Energy used: 21 Watts
• Lumens per watt: 95.24
• Ideal for residential use in offices, as well as for commercial use in general, decorative and architectural lighting
• Great for general purpose lighting - creates a balanced and pleasant light
• Contains mercury: yes (for more on clean-up and safe disposal, visit: epa.gov/cfl)
• Contains mercury: yes (for more on ceal-up and save disposal visit: www.epa.gov)