Sylvania 21137 CF13DS/835/ECO ...
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Sylvania 21137 CF13DS/835/ECO 13-Watt T4 Compact Fluorescent Lamp, 3500K

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Model: 21137

In Stock (leaves warehouse same day if ordered before 3pm ET)

$4.04
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Sylvania 21137 CF13DS/835/ECO 13-Watt T4 Compact Fluorescent Lamp, 3500K

The Sylvania 21137 CF13DS/835/ECO is a 13-Watt T4 compact fluorescent lamp built on Sylvania's Dulux® Ecologic® platform. Designed for energy-efficient general illumination, this CFL delivers a neutral 3500K color temperature with an 82 CRI for balanced, true-to-life color rendering. It uses a 2-pin GX23 base configuration, making it a direct fit for compatible fixtures that call for this compact, double-tube fluorescent design. Sylvania engineers this lamp for reliable performance in commercial and residential fixtures where efficient, long-lasting lighting is required.

Key Features

  • Wattage: 13-Watt lamp offers efficient light output while reducing energy consumption compared to incandescent alternatives.
  • Color Temperature: 3500K produces a neutral white light suited for offices, retail spaces, and general-purpose fixtures.
  • Color Rendering: 82 CRI ensures accurate, natural color appearance for tasks and display lighting.
  • Base Type: 2-Pin GX23 base for straightforward installation into compatible T4 CFL fixtures.
  • Lamp Configuration: T4 compact fluorescent tube design provides a compact form factor for space-constrained fixtures.
  • Dulux® Ecologic® Design: Part of Sylvania's Ecologic® product line, engineered with energy efficiency in mind.

Technical Specifications

  • Lamp Type: T4 Compact Fluorescent
  • Wattage: 13-Watt
  • Base: 2-Pin GX23
  • CRI: 82
  • Color Temperature: 3500K
  • Series: Dulux® Ecologic®

Typical Applications

  • Commercial Office and Retail Lighting
  • Downlight and Compact Fixture Replacement
  • General-Purpose Ambient Lighting
  • Energy-Efficient Lamp Retrofits

Why Sylvania?

Sylvania is a trusted name in commercial and residential lighting, and the 21137 CF13DS/835/ECO reflects that heritage with a 13-Watt, 3500K, 82 CRI Dulux® Ecologic® design built for dependable, energy-conscious performance. Choose Sylvania for consistent color quality and efficient operation in your compact fluorescent lighting applications.

Manufacturer Resources

Product Specs

list_batch:
SYL-20260924
Product Type:
CFL Lamp
Product Wattage:
13W
Light Temperature:
3500K
CRI:
82
Bulb Base:
GX23
Configuration:
2-Pin T4
Series:
Dulux Ecologic
Department:
Electrical
Product Group:
Lighting
Product Subgroup:
Bulbs

Sylvania 21137 – Frequently Asked Questions

How fast can I get the Sylvania 21137 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Sylvania 21137 come with a warranty?
Absolutely. The Sylvania 21137 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Sylvania 21137?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Sylvania 21137 from ZenSupply?
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