GoodBulb 18W CFL Plug-In Light Bulb – 4100K Cool White for Crisp, Functional Lighting

Specs

SKU
CF18W/841/DT/4P
Bulb Shape
DT (Double Twin Tube)
Wattage
18W
Color Rendering
80
Power Voltage
120–277V
Dimmability
Non-dimmable
Color Temperature
4100K
Base Code
G24Q-2
Base Type
4-Pin Plug-In
Life Hours
12,000 Hours
Lumens
1200
Length
5.7 inches (145 mm)
Width
1.38 inches (35 mm)
Height
5.7 inches (145 mm)

A BRIGHTER FUTURE

Regular price $48.23
Regular price Sale price 48.23
($4.82 per bulb)
Sale Sold out
QTY
Qty:
ASK AN EXPERT ? ?

If you have any questions, chat with a Lumen Master, we are lighting specialists who enjoy talking about light bulbs, long walks in the park, early-morning yoga, and late-night guitar hero jam sessions.

*** Returns are expensive & time consuming, chat with a Lumen Master to confirm you made the right choice.

Free Shipping
Bulb Recycling Program

Specs

SKU
CF18W/841/DT/4P
Bulb Shape
DT (Double Twin Tube)
Wattage
18W
Color Rendering
80
Power Voltage
120–277V
Dimmability
Non-dimmable
Color Temperature
4100K
Base Code
G24Q-2
Base Type
4-Pin Plug-In
Life Hours
12,000 Hours
Lumens
1200
Length
5.7 inches (145 mm)
Width
1.38 inches (35 mm)
Height
5.7 inches (145 mm)

About

The GoodBulb 18 Watt CFL Plug-In Light Bulb provides clear, reliable illumination with a 4100K cool white tone—perfect for functional spaces that require sharp visibility and a clean, neutral atmosphere. Designed with a compact double twin-tube (DT) construction and a G24Q-2 4-pin base, this lamp produces 1200 lumens of bright, efficient light while consuming only 18 watts of power, making it a dependable choice for commercial and facility lighting applications.

With an extended 12,000-hour rated life, this CFL reduces replacement intervals and maintenance labor. Its 80 Color Rendering Index (CRI) ensures accurate and natural color appearance, while the 4100K color temperature strikes a precise balance between warm and daylight hues—ideal for professional settings where visibility and cleanliness matter most.

Why Choose 4100K Cool White?

The 4100 Kelvin color temperature delivers clean, clear light with minimal...

READ MORE
View full details
image_02

Talk to a Lumen Masters

A Lumen Master at GoodBulb is a trained lighting specialist who cares more about helping others than just making sales.

They understand that purchasing light bulbs is not easy and there are more bulbs than you can imagine. Start shopping for light and if you have questions we are here to help.