Philips 21-Watt 34 in. Linear T5 Fluorescent Tube Light Bulb Bright White (3000K)

Regular price $197.14

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The Philips 21-Watt Bright White Linear Fluorescent Light Bulb (F21T5/830) casts a crips, bright white light that can last up to 20,000-hours. You can use this bulb in almost any room inside of your home or business for general light needs or in the kitchen or bathroom. This bulb has a T5 shape with a bi-pin base.
  • Brightness: 2100 Lumens
  • Estimated yearly energy cost: $2.53 (Based on 3 hrs/day, 11c/kWh. cost depend on rates and use)
  • Lasts up to 18.2 years (based on 3 hours/day)
  • Light appearance: 3000K (Bright White)
  • Energy used: 21-Watt
  • Lumens per watt: 100
  • T5 bulb shape, miniature bi-pin base
  • Contains mercury: yes (for more info on cleanup and safe disposal, visit:
  • Ideal for residential use in kitchens and bathrooms as well as for commercial use in general, decorative and architectural lighting
  • Contains mercury: yes (for more info on clean-up and safe disposal, visit:
  • Based on availability, color temperature on packaging may vary between soft white and bright white, but all lamps will provide the same color temperature output of 3000 Kelvins.

Item Weight 0.233
Light Bulb Base Type Bi-Pin
Indoor/Outdoor Indoor
Returnable 180-Day
Light Bulb Base Code G5
Color Rendering Index (CRI) 85
Actual Color Temperature (K) 3000
Average Life (hours) 20000
Color Temperature Bright White
Bulb Type General Purpose
Wattage (Watts) 21
Lumens (Brightness) 2100
Light Bulb Features No additional features
Light Bulb Shape Code T5
Lighting Technology Fluorescent
Number of Bulbs Included 1
Bulb Shape Linear
Bulb Construction Glass
Bulb Diameter (In.) 0.625
Product Length (in.) 34
Approximate Light Bulb Length 3 ft.
Manufacturer Warranty Yes, 18.3 years. Please see package for details.

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