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 warmth—offering a crisp, clinical aesthetic preferred in high-use or task-focused areas.

✔ Offices & Conference Rooms – Encourages alertness and focus
✔ Hospitals & Medical Facilities – Maintains a sterile, professional tone
✔ Corridors & Common Areas – Delivers bright, even illumination
✔ Industrial Settings – Enhances contrast for improved safety and visibility

Consistent Performance, Energy-Saving Value

✔ 1200 Lumens – Bright, reliable light output for everyday use
✔ 18 Watt Consumption – Energy-efficient without sacrificing brightness
✔ 12,000-Hour Rated Life – Reduces maintenance frequency and costs
✔ G24Q-2 4-Pin Base – Secure, standard plug-in fit
✔ 80 CRI – Reliable color rendering for accurate perception

CFL Efficiency with an Eye Toward LED Retrofits

While CFLs remain effective in many legacy applications, LED technology offers improved efficiency, longevity, and safety.

Why Make the Switch to LED?
✔ Up to 80% Energy Savings – Slash electricity use without losing brightness
✔ Long Life – Up to 50,000 Hours – Fewer replacements and lower costs
✔ Instant-On, Flicker-Free – No warm-up delays
✔ Mercury-Free – Safer for people and the environment

G24Q-2 LED Retrofit Options Available

Upgrade your CFL fixtures with compatible LED lamps designed for the same base:

🔹 Type A LED (Plug & Play) – Works with compatible CFL ballasts
🔹 Type B LED (Ballast Bypass) – Direct-wired for maximum efficiency
🔹 Hybrid LED – Flexible operation with or without a ballast

Recycle CFLs Responsibly – GoodBulb Has You Covered

CFLs contain mercury and must be handled with care. GoodBulb offers simple, safe recycling solutions:

✅ Prepaid Recycling Kits – Ship used bulbs easily and safely
✅ Environmentally Compliant – Keep mercury out of landfills
✅ Recycling Certification – Demonstrate commitment to sustainability

Illuminate with Purpose – Light Better with GoodBulb

The GoodBulb 18W 4100K Cool White CFL is a trusted solution for workspaces, institutions, and commercial areas requiring dependable, neutral white light. With efficient performance and a clear upgrade path to LED, this lamp meets today’s needs and supports tomorrow’s energy goals.

Have questions or need help upgrading to LED? Contact our lighting experts now and take the next step toward smarter, safer lighting.