GoodBulb 400W Metal Halide HID Light Bulb – High-Intensity Commercial White Lighting
ED37 Clear Metal Halide Lamp with EX39 Extended Mogul Base – 4000K Cool White – 15,000 Hour Life

The GoodBulb 400 Watt Metal Halide HID Light Bulb delivers industrial-strength illumination with a powerful 4000K cool white tone, designed for high-output performance in expansive commercial and municipal settings. With an ED37 clear outer envelope and a rugged EX39 extended mogul base, this lamp blasts out 33,000 lumens, making it a go-to solution for large-scale visibility, safety, and brightness.

Built to power everything from high bay warehouses to parking lots, stadiums, and roadway lighting, this 400W metal halide lamp offers exceptional color uniformity, strong lumen maintenance, and a dependable 15,000-hour service life to minimize replacements and cut downtime.

Why 4000K Cool White?

The 4000K color temperature delivers a neutral, bright white light that improves detail, clarity, and visibility—essential in high-traffic areas and demanding work zones.

✔ Stadiums & Sports Facilities – Even, high-output light for outdoor or indoor fields and arenas.
✔ Warehouses & Manufacturing – Clear lighting for safety and task visibility in industrial workspaces.
✔ Parking Lots & Garages – Broad light distribution enhances vehicle and pedestrian safety.
✔ Municipal Roadway & Street Lighting – Excellent for pole-mounted fixtures, ensuring well-lit public infrastructure.

Engineered for Maximum Coverage & Longevity

✔ 33,000 Lumens – Blazing brightness ideal for large-area applications.
✔ ED37 Bulb Shape – Clear Finish – Maximizes optical performance and luminous efficacy.
✔ EX39 Extended Mogul Base – Backward-compatible with standard E39 sockets for retrofit flexibility.
✔ 15,000-Hour Rated Life – Cuts relamping intervals, ideal for high-mount installations.
✔ Stable Output – Maintains brightness with minimal color shift over its operational life.

Metal Halide Strength – But LED Dominates the Future

Metal halide technology offers tremendous brightness, but LED retrofit solutions now surpass HID performance in energy savings, longevity, and operational simplicity.

Why Upgrade to LED?

✔ Up to 70% Energy Reduction – Significantly cut electricity consumption.
✔ Up to 50,000 Hours Lifespan – Outlasts MH by up to 3x, reducing labor and material costs.
✔ Instant-On, Flicker-Free – No delays—perfect for occupancy sensors and switching applications.
✔ Ballast Bypass Compatible – Fewer failure points and easier maintenance.
✔ No Hazardous Materials – LEDs are mercury-free and easier to dispose of safely.

Simple EX39 LED Retrofit Options Available

Upgrading your 400W MH fixtures is fast and straightforward with LED lamps that fit directly into your existing EX39 or E39 sockets:

🔹 Type A (Plug & Play) – Works with compatible MH ballasts.
🔹 Type B (Ballast Bypass) – Connects directly to line voltage, no ballast needed.
🔹 Hybrid Type A+B – Flexible dual-operation modes for phased upgrades.

Recycle Your Old HID Bulbs Responsibly – We’ve Got You Covered

Metal halide lamps contain mercury and require careful disposal. GoodBulb simplifies the process with pre-paid recycling kits for your facility or organization.

✅ Pre-Paid Recycling Kits – Fill, seal, and ship with ease.
✅ Environmentally Friendly – Ensure legal, safe disposal that meets EPA standards.
✅ Certificate of Recycling – Receive confirmation your bulbs were responsibly recycled.

Illuminate Large Spaces. Save More. Light Smarter.
The GoodBulb 400W Metal Halide bulb delivers massive light output for your current infrastructure—but when you’re ready to make the switch, LED is the clear next step. Let us help you transition to better, brighter, and more efficient lighting.

Explore your LED retrofit options today or contact our lighting specialists for expert guidance.