The GoodBulb F21T8/950/30" fluorescent tube is a high-performance 21-watt T8 lamp designed to deliver exceptional brightness, clarity, and energy efficiency. With a powerful 90 CRI, this lamp provides highly accurate color rendering, ideal for settings where visual detail and true-to-life color quality are critical.

Operating at a daylight-balanced 5000K color temperature, this 30-inch T8 tube produces crisp, clean illumination that enhances visibility and reduces eye strain. Its extended 20,000-hour life rating reduces maintenance cycles, making it a reliable and cost-effective choice for commercial, industrial, and residential lighting applications.

Built with a standard G13 Bi-Pin base, the lamp installs easily into compatible T8 fixtures and offers stable, flicker-free operation. Whether you're upgrading outdated fluorescent tubes or outfitting new installations, GoodBulb's T8 lamps deliver dependable performance backed by trusted quality.

Applications

• Office lighting

• Retail stores and display lighting

• Schools and universities

• Hospitals and medical facilities

• Workshops, garages, and utility rooms

• Warehouse and commercial spaces

• Art studios and color-critical environments