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4ft LED Bulbs: A Smarter Way to Light Your Space

Revolutionize your lighting with high-performance 4 foot LED bulbs—the modern replacement for outdated fluorescent tubes. Whether you're upgrading an office, outfitting a garage, or modernizing a commercial space, 4ft LED bulbs offer long-lasting performance, reduced energy costs, and better light quality.

Why Choose 4 Foot LED Light Bulbs?

These 4ft LED tubes provide powerful illumination while operating at a fraction of the wattage required by traditional fluorescents. Commonly used in troffers, strip lights, and under-cabinet fixtures, they offer the ideal balance of brightness, efficiency, and ease of installation.

Key Features of 4ft LED Bulbs

Wattage Range: Operate between 12–22W (equivalent to 32–40W fluorescent)
Lumens Output: 1600–2800 lumens, delivering bright, efficient light
Color Temperatures: Available in 2700K, 3000K, 3500K, 4100K, 5000K, and 6500K for ambient, task, or daylight-like illumination
Lifespan: Up to 50,000 hours—minimizing maintenance and replacements
DLC-listed options may qualify for energy rebates
Some 4ft LED tubes are also shatter-resistant, NSF-compliant, or feature color selectable technology for added customization.

Types of 4 Foot LED Tubes

Type A – Plug-and-Play: Easiest to install. These lamps work with compatible fluorescent ballasts—just remove the old tube and insert the new one. Perfect for fast retrofits, but check the Ballast Compatibility PDF for confirmed performance.
Type B – Ballast Bypass (Direct Wire): Wired directly to line voltage. These tubes require removing the ballast and possibly replacing sockets (e.g., switching to non-shunted for single-ended tubes). More installation effort, but greater long-term reliability and efficiency.
Type A/B – Hybrid: Start as plug-and-play with compatible ballasts. When the ballast fails, simply bypass it without replacing the tube. Great flexibility for phased upgrades.
Type C – External Driver: Operates using a remote LED driver (sold separately), removing the ballast completely. Offers 0–10V dimming capability, adjustable wattage, and advanced control options. Ideal for commercial spaces needing precision lighting.

Choosing the Right 4ft LED Bulbs for Your Space

Selecting the correct 4ft LED tube comes down to fixture compatibility, installation type, and lighting goals:

Ballast Compatibility: Need a quick swap? Go Type A. Looking for max efficiency? Choose Type B or C.
Color Selectable Options: Great for multi-purpose rooms where lighting preferences change.
CRI Ratings: Use CRI 90+ for food prep, galleries, or retail where color accuracy matters.
End Type: Confirm if your fixture supports single-ended or double-ended wiring.

With the right 4 foot LED retrofit bulb, you’ll enjoy years of maintenance-free, cost-saving illumination in any environment.

Frequently Asked Questions

Can I replace a 4 foot fluorescent bulb with an LED?

Yes! You can replace 4 foot fluorescent tubes with 4 foot LED light bulbs. Choose plug-and-play for easy swaps or direct-wire for higher efficiency. Just check socket type and ballast compatibility first.

What’s the difference between Type A, B, and C 4ft LED tubes?

Type A tubes work with existing ballasts. Type B tubes require ballast removal and direct wiring. Type C uses a remote driver for added dimming control and efficiency.

Do 4ft LED bulbs save energy?

Absolutely. 4ft LED bulbs consume up to 50% less energy than their fluorescent counterparts, while delivering equal or better brightness. Plus, they last longer, reducing replacement costs over time.