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Sold in Quantities of:
1 unit(s)
ALB Price: $9.99 per item
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31W T8 UBend Fluorescent 3500K 82 CRI 21878 Osram Sylvania Octron fluorescent lamp. The FBO31/835 is a 3500K color temperature lamp. This lamp is 22.5 inches long and has 1.625 inch spacing between the ends. This lamp is 20,000 hour rated.

Octron Fluorescent Lamp for Home or Commercial Use

This versatile and efficient Octron fluorescent lamp features a u-bend shape, so it’s great for providing ample lighting in areas with space restrictions. Ideal for home or commercial use, this lamp provides a bright, cool white color temperature that energizes a room. Boasting a long 20000-hour lifespan, it’s an excellent investment for home and business owners looking to reduce maintenance costs.

Lamp Specifications:

  • Sylvania LEDVance brand
  • Fluorescent technology
  • 20000-hour lifespan
  • 31W
  • 3500K color temperature
  • Universal burn position
  • 82 CRI
  • T8 u-bend bulb shape
  • 22.5” x 1”

Your Satisfaction Is Our Guarantee

We work hard to provide a level of customer service you won’t find anywhere else. If you’re not sure if this Octron fluorescent lamp is right for your specific needs, get in touch. Our in-house experts go above and beyond to make sure that every customer makes an informed purchase. We offer more than three decades of experience, and we provide exceptional customer support at no extra cost to you.

Shop for Lighting products with Confidence

Atlanta Light Bulbs has become the go-to resource for quality lighting. Whether you’re replacing an expired lamp at home or placing a bulk order for your new office, we always go the extra mile for our customers.

If you have any questions, call 1-888-988-2852 or message us now. This Octron fluorescent lamp is a fantastic value, so stock up today. Save on top-quality lighting solutions at Atlanta Light Bulbs.

This Item Replaces

This product is a direct replacement for the following items:
  • 046135218781
  • 1 5/8 U FB31/835
  • 21878 SYLVANIA
  • 31W UBEND 3500K
  • FBO31/835 OSRAM
  • FBO31/835 SYLVANIA
  • GE 41777
  • GE F31T8/SPX35/U 41777
  • GE F31T8/SPX35/U1 5/8 3500
  • OCTRON 31W 3500K 1-5/8IN SP
  • SYLVANIA 21878
  • SYLVANIA 21878 FBO31/835
  • SYLVANIA 21878-1
  • SYLVANIA 2187801
  • SYLVANIA FBO31/835 21878


Minimum Qty 1
Brand Sylvania LEDvance
Technology Fluorescent
Actual Wattage 31
Equivalent Wattage
Lumen Output
Lumens Per Watt
Color Temperature (Kelvin) 3500
Color Rendering Index 82
Light Color
Bulb Shape T8
Base Type Medium Bi Pin
Burn Position Universal
Beam Degrees
Ansi Code
Ballast Factor
Ballast Start Type
Useful Life Hours 20000
Dimmable No
Outdoor Rated No
DLC Certified No
LDL Certified No
LM79 Certified No
LM80 Certified No
TM21 Certified No
Energy Star Rated No
Manufacturer Code
Manufacturers Notes SYLVANIA OCTRON CURVALUME T8 fluorescent lamps deliver high performance characteristics and exceptional energy efficiency.
Diameter (Inch) 1
Dimensions (Inch) 22.5(Length) • (Width) • (Height)


Lead Time:
IN STOCK – Same Day Shipping (order by 4PM ET M-F)

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