Reimagined Incandescent Glow

The CFM42W/GX24Q-4/827 ECO delivers a warm, inviting 2700 Kelvin glow that mirrors the familiar comfort of incandescent light while offering the long-lasting efficiency of compact fluorescent technology. Its Triple Twin Tube architecture produces smooth, even illumination that enhances hospitality spaces, residential fixtures, hotels, office environments, and architectural lighting. With an 82 CRI, rooms feel natural, comfortable, and beautifully lit—never washed out or overly harsh.

Power and Versatility

At 42 watts, this high-output CFL produces substantial light while using a fraction of the energy of incandescent or halogen equivalents. Designed to work seamlessly with electronic ballasts and 120–277V commercial applications, this lamp thrives in downlights, sconces, ceiling fixtures, task lighting, and retail displays. With a 12,000-hour life rating, it reduces maintenance costs, minimizes downtime, and provides steady illumination over years of use.

For the Love of Color

A dependable 82 CRI ensures colors remain true, warm, and vibrant. The 2700K Warm White color temperature creates an inviting, visually balanced lighting experience ideal for spaces where ambiance matters—restaurants, lobbies, living rooms, boutique retail, and hospitality environments. This is lighting that elevates the atmosphere while supporting the natural tones of furnishings, décor, and finishes.

Rough Service CFL

Built with durable materials, the CFM42W/GX24Q-4 stands up to demanding commercial environments. Its GX24Q-4 4-pin base ensures a secure electrical connection, stable performance, and reliable ignition with compatible electronic ballasts. The compact triple-tube design maximizes lumen output while maintaining excellent thermal control inside enclosed or semi-enclosed fixtures.

Effortless Operation

Engineered for fast, stable startups, this ECO-series CFL delivers smooth illumination without flicker once warmed up. Electronic ballast compatibility helps ensure consistent performance across the lamp’s entire lifespan, supporting productivity and comfort in every application. Its design enhances fixture efficiency and distributes light evenly across wide spaces.

Built to Last

With a 12,000-hour rated lifespan, this lamp dramatically outperforms incandescent and many early-generation fluorescent lamps. Its premium phosphors, rugged cathodes, and eco-conscious construction provide dependable illumination engineered for longevity—not planned obsolescence. Every component supports a long service life and reduced total cost of ownership.

Guardian of Prosperity

Energy-efficient CFL technology dramatically cuts operational costs. Businesses using these lamps in high-use areas can reduce electrical consumption, maintenance cycles, and replacement frequency. A facility replacing outdated lamps with high-efficiency CFLs can save thousands over multiple years. Contact a Lumen Master for a customized energy savings analysis for your home or business.

Xtreme Life Guarantee

The CFM42W/GX24Q-4 ECO is designed to deliver long life, excellent color, and trusted performance. Its extended service life helps reduce waste while enhancing sustainability. When paired with proper end-of-life recycling practices, this lamp supports greener lighting solutions that benefit both customers and the environment.

Impactful Lighting

A GoodBulb-quality compact fluorescent does more than illuminate a room—it improves efficiency, reduces environmental impact, and contributes to a more sustainable lighting ecosystem. By choosing long-life, responsibly manufactured lamps, you help conserve natural resources, reduce landfill waste, and support better global lighting standards. As a social enterprise, GoodBulb’s mission includes delivering clean, solar-powered lighting to communities without electricity—every bulb creates impact.