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Long transparent fluorescent tube with 2G11 four-pin base

SYLVANIA

SYLVANIA 20590 FT55DL/830 55W 2G11 3000K 4800LM 12000h

SKU CH-5KT9-A3F7H

A 55W 2G11 compact fluorescent tube delivering 4800 lumens at 3000K with 12000-hour life and 82 CRI

  • Power rating55
  • Light output4800
  • Color temperature3000K
  • Lifespan (hours)12000
  • Color rendering82
  • Product typeFluorescent Bulbs
  • Delivers 4800 lumens of warm white light
  • 3000K colour temperature suits living and work spaces
  • 55W power draw keeps energy costs low
  • Rated 12000 hours for fewer replacements
  • 2G11 four-pin base fits compatible electronic ballasts

Sylvania 20590 55W 2G11 fluorescent bulb

This Sylvania 20590 is a 55W long single-tube fluorescent bulb with a 2G11 4-pin base. It delivers 4800 lumens at a 3000K colour temperature and has a rated life of 12000 hours. The transparent tube measures 21.1 inches in overall length and is designed for use with electronic ballasts.

Suits fixtures requiring a 2G11 55W single tube

Installers matching an existing 2G11 socket and 55W electronic ballast will find the correct wattage, pin layout and 3000K output here. Buyers whose fixtures use a different pin base, a different tube shape, or a different wattage requirement cannot use this bulb. Those needing a higher colour rendering index than 82 should also consider other options.

The 2G11 4-pin base decides fit

The 2G11 plug-in base is the single specification that determines whether this lamp will seat and operate in the intended luminaire. Verify the fixture calls for a 2G11 base and a 55W electronic ballast before purchasing.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 65% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameSylvania
Product typeFluorescent Bulbs
Product colorTransparent
Display
Light output4800
Power
Power rating55
More details
Color temperature3000K
Lifespan (hours)12000
Color rendering82

Questions about this item

How bright will the 4800 lumen output actually appear in a typical fitting?

The lamp emits 4800 lumens at 3000K with a CRI of 82, delivering warm white light suitable for general commercial or residential use.

What does the 2G11 4-pin base require from the ballast?

The 2G11 base is designed for electronic ballasts only; the lamp draws 55 watts and will not operate on magnetic or pre-heat gear.

Will the 21.1 inch overall length fit my existing recessed housing?

The single tube measures 21.1 inches end to end; verify the housing internal clearance and 2G11 socket position before purchase.

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