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20W Metal Halide T4 GU6.5 Base 3000K 85086 40399 GE Lighting. This is a single ended metal halide lamp with a Gu6.5 base. This lamp operateson ANSI ballast C156/M156.

This high-quality T4 metal halide lamp is efficient and easy to install. T4 lamps are compact yet they still put out plenty of attractive, natural light. Whether you’re using them in a retail, commercial, industrial, or outdoor setting, you can be sure that the outstanding color rendition and lumen maintenance will not disappoint. Enjoy bright, crisp light with these compact T4 lamps.

Consistent High-Quality Light

This T4 metal halide lamp provides superb light quality for the entire duration of its long lifespan. Here are its specifications:

  • 12000-hour lifespan
  • 1615 lumen output
  • 20W
  • 3000K color temperature
  • Universal burn position
  • 81 CRI
  • T4 bulb shape with GU6.5 base
  • Operates on ANSI ballast C156/M156
  • 2.05” x .5”

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If you’re struggling to choose the right lamp for your application, give us a call. We’re known for our first-rate customer service, and we provide dedicated expert lighting specialists who can help you choose the right lamps and get the most out of them. We strive to be more than just a retailer, so count on Atlanta Light Bulbs to be your primary source of lighting information.

Place Your Order Today

Browse our wide range of standard and specialty lighting products. If you don’t see what you need, get in touch and we’ll be happy to help you out. For expert assistance, call 1-888-988-2852 or send us a message online now. Pay less for a General Electric T4 metal halide lamp at Atlanta Light Bulbs.


This Item Replaces

This product is a direct replacement for the following items:
  • CMH20/TC/U/830/G6.5 GE
  • CMH20T/U830GU6.5
  • GE CMH20/T/UVC/830/GU6.5
  • GE LIGHTING 40399
  • GE LIGHTING 85086
  • GE UVC R 20W 3000K M156
  • GE UVCR 20W 3000K M156
  • MC20TF/U/GU6.5/830
  • SYLVANIA 68842


BrandGeneral Electric
TechnologyHID - Metal Halide
Useful Life Hours12000
Lumen Output1615
Actual Wattage20
Color Temperature (Kelvin)3000
Burn PositionUniversal
Color Rendering Index81
Bulb ShapeT4
Base TypeGU6.5
Ansi CodeM156
Length (Inch)2.05
Diameter (Inch).5

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

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