GE

GE 97635 CFL Tube Light Bulb 42W G24Q-4

4.4 (24 reviews)
42W

Reliable warm-white output in a compact triple-tube CFL engineered for downlights, small fixtures, and plug-in sockets across residential and commercial spaces.

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The GE 97635 is a 42W triple-tube compact fluorescent lamp designed for dedicated plug-in sockets with integrated ballasts. Its warm white output fills residential living spaces, office downlights, and hospitality fixtures with a soft, familiar quality that reads well in general ambient applications. The triple-tube construction packs more phosphor surface area into a compact G24Q-4 form factor, allowing the lamp to produce incandescent-equivalent output at a fraction of the wattage. Output remains consistent regardless of mounting orientation, which makes it a reliable choice for both vertical downlights and horizontal wall-mounted sockets.

Build quality reflects GE's commercial lineage — this is a volume replacement lamp built for predictable performance across long duty cycles rather than a specialty source. The G24Q-4 4-pin base is a hard-wired fixture match; the 4-pin configuration locks the lamp into ballast-controlled sockets and prevents accidental installation in non-compatible housings. Heat management follows standard CFL practice, with the ballast circuit integrated into the fixture rather than the lamp body. No dimming capability is supported, and the lamp requires a brief warm-up period before reaching rated lumen output. For studio or location use, this bulb serves best as a practical source in existing plug-in fixtures rather than as a primary key or fill light where color accuracy and instant-on performance are required.

Key Features

ENERGY SAVING COMPACT FLUORESCENT LIGHT BULBS: The compact, triple tube design of the CFL light bulbs provides energy savings. Use them in plug-in sockets throughout your home. The bulb saves in energy costs compared to a traditional bulb.

RELIABLE CFL LIGHT BULBS: These 42W CFL light bulbs provide similar light output in any operating position. They are long lasting and will outlast standard incandescent lamps.

CFL LIGHT BULBS FOR FIXTURES: The GE CFL light bulbs are ideal for small fixtures and downlights.

VERSATILE TUBE LIGHT BULBS: Use these CFL light bulbs for many applications, such as residential, office, hospitality, industrial, and retail settings.

CFL LIGHT BULBS FOR 4 PIN SOCKETS: The bases of these tubular light bulbs are specially designed for 4 pin sockets.

Specifications

Model
GE 97635
Wattage
42W
Base Type
G24Q-4 (4-Pin)
Bulb Type
Triple-Tube CFL
Light Color
Warm White
Dimmable
No
Application
Residential, Office, Hospitality, Industrial, Retail
Quantity per Pack
10

Pros & Cons

👍 Pros

  • Triple-tube design delivers high lumen output from a physically compact envelope suited to tight fixture housings
  • Warm white color temperature provides acceptable rendering for residential, hospitality, and retail environments
  • Consistent output across all mounting orientations without significant intensity loss
  • Rated lifespan exceeds standard incandescent lamps, reducing replacement frequency in hard-to-reach commercial fixtures
  • 42W power draw represents substantial energy savings over equivalent-output incandescent sources

👎 Cons

  • Not dimmable — restricted to non-dimming ballast circuits, limiting creative or theatrical lighting control
  • Requires a warm-up period of up to one minute before reaching rated brightness output
  • CRI performance falls short of modern high-CRI LED alternatives, which will show more accurate color rendering under camera
  • Mercury content requires proper disposal under local hazardous waste guidelines — not a simple throw-away bulb
  • Bulkier triple-tube form factor may conflict with tighter fixture housings designed for single-tube or A-shape lamps

Frequently Asked Questions

This bulb outputs warm white light, typically in the 2700K range. That color temperature works well for residential living areas and hospitality environments where a softer, incandescent-adjacent quality is preferred over daylight-balanced sources.
At 42W, this CFL produces output comparable to a 150–175W incandescent lamp. The triple-tube construction allows more phosphor surface area in a compact envelope, delivering meaningful lumens-per-watt efficiency over standard bulbs.
No. The GE 97635 requires a non-dimming ballast and is not rated for use with standard residential dimmer controls. Installing it on a dimmer circuit will at minimum cause flicker and premature failure, and may damage the ballast.
This bulb uses a G24Q-4 4-pin base. The 4-pin configuration is designed for dedicated plug-in sockets with an integrated ballast — it is not interchangeable with 2-pin G24d bases. Verify your fixture's socket type before ordering.
Yes. GE specifies that these bulbs provide similar light output in any operating position, making them suitable for downlights, wall sconces, and horizontal-socket fixtures without the output penalty some tube designs carry when mounted horizontally.