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Sylvania (20921) FP21/835/ECO 21-Watt 3500K T5 Fluorescent Bulbs. Free Shipping!!!


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Sylvania FP21/835/ECO is a fluorescent tube that offers high color rendering and energy efficiency. It has a color temperature of 3500K, which is ideal for office and commercial applications. The tube has a long lifespan of 20,000 hours and a low mercury content of 1.7 mg. Sylvania FP21/835/ECO is compatible with most electronic ballasts and can be used in various fixtures such as troffers, strip fixtures, surface mount fixtures.

View a Specification Sheet: Sylvania FP21/835/ECO

  • 20,000 Hours Rated Life
  •  It has a color temperature of 3500K, which is a warm white light suitable for offices and classrooms.
  • It has a high color rendering index (CRI) of 85, which means it shows colors accurately and vividly.
  • 95% Lumen Maintenance
  • 1890 Mean Lumens
  • It is compatible with electronic ballasts and can be dimmed when used with a fluorescent dimming ballast and a fluorescent dimmer.

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One Year Warranty from date of purchase. Proof of purchase required.