Made the Right Way the Good Way

Reimagined Incandescent Glow

The GoodBulb 8W T4 Fluorescent Light Bulb brings the brilliance of natural daylight to your space with a 6500 Kelvin Full Spectrum color temperature. Designed for both commercial and residential environments, this compact linear lamp delivers 480 lumens of crisp, bright light that enhances clarity and focus. Perfect for under-cabinet fixtures, display lighting, task lamps, and specialty applications, the T4 provides true daylight balance—promoting productivity and visual comfort throughout the day.

Power and Versatility

Engineered for efficiency, this 8-watt fluorescent lamp operates on an electronic ballast that increases energy savings by 10–15% compared to traditional systems. The Miniature Bi-Pin (G5) base ensures a secure connection for seamless installation in compatible fixtures. With a 13-inch tube length and slim 0.5-inch diameter, it fits effortlessly into tight or low-profile lighting designs. This lamp performs flawlessly in offices, retail displays, kitchens, and workshops—anywhere bright, consistent illumination is essential.

For the Love of Color

Featuring a Full Spectrum 6500K daylight output, this lamp replicates natural sunlight with precision. Its high color rendering ensures that objects appear vivid and true-to-life, improving visual accuracy and ambiance. Whether you’re illuminating art, architectural details, or workspace surfaces, the GoodBulb T4 enhances color depth and visibility while supporting alertness and focus.

Effortless Dimming

While designed primarily for steady brightness, this non-dimmable T4 fluorescent lamp pairs with compatible electronic ballasts to ensure stable, flicker-free illumination from the moment it’s switched on. Its consistent output maintains even light distribution without fluctuations, ensuring smooth visual comfort in every environment.

Built to Last

Precision manufacturing and premium phosphor coatings deliver a long-lasting 10,000-hour lifespan—minimizing replacements and maintenance costs. Each lamp is constructed from high-quality glass and engineered for optimal lumen retention across its entire life cycle. With its durable housing and reliable ballast performance, this T4 lamp provides enduring brilliance you can count on.

Guardian of Prosperity

Replacing traditional halogen or incandescent lighting with this 8W T4 fluorescent can reduce energy consumption by up to 70%, directly lowering operating costs. Businesses and homeowners alike benefit from long-term savings on energy bills, reduced heat output, and fewer replacements—making this lamp a cost-effective, environmentally responsible choice for sustainable lighting.

Xtreme Life Guarantee

With an average rated life of 10,000 hours, the GoodBulb 8W T4 provides long-term dependability and consistent performance. Every GoodBulb lamp is built with 100% quality-tested components and backed by the GoodBulb performance guarantee for reliable illumination and lasting peace of mind.

Impactful Lighting

A GoodBulb is more than a light source—it’s a mission to make the world brighter and more sustainable. By choosing GoodBulb, you contribute to reducing waste, conserving energy, and supporting GoodBulb’s social impact initiatives that deliver solar light to families living without electricity.