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The OttLite 20 watt replacement bulb delivers the right mix of brightness and contrast to bring true colors and comfortable clarity to your world so you can enjoy your time even more. You’ll see colors accurately and fine print and details with ease under this unique low heat, low glare illumination that helps reduce eyestrain.

The output of a 20 watt OttLite bulb is roughly equivalent to that of a 75 watt incandescent bulb. Compact fluorescent bulbs (CFLs), like the ones here at OttLite, require 75% less energy, generate 75% less heat, and last 10x longer than standard incandescent bulbs. However, it's not just about energy-savings, it's also about the quality of the light.

Please check your lamp’s packaging to determine the correct replacement bulb, or contact our Customer Service team for help.

Additional bulb SKUs: B34J32, B34J35-CA, B84J35, B84J33, SB20-M, SB20-M-FFP

  • For use only as a replacement bulb with specific OttLite lamps
  • True colors, clear details and reduced eyestrain
  • Low-heat, low-glare illumination
  • Energy efficient bulb rated to last up to 10,000 hours (Replacement bulb type M)

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  • 5
    Ottlite replacement bulb

    Posted by Betty Todd on 2021 Apr 5th

    None of the bug box stores in our area had this bulb. On line I found Ottlite located in Tampa & they provided information of a Canadian Distributor. The bulbs were available, packed safely for shipment & delivered in just one day! Great service!