400-Watt MV400/DX/33/ED37 Deluxe White Mercury Vapor HID Lamp — E39 Mogul Base, 3300K Color Temperature, Non-Dimmable — 24,000 Hour Life

Made the Right Way the Good Way

Reimagined Incandescent Glow

The MV400/DX/33/ED37 Deluxe White Mercury Vapor Lamp transforms traditional HID lighting with a rich, natural 3300K white tone that delivers steady, full-spectrum illumination for commercial, industrial, and outdoor spaces. Its deluxe phosphor coating enhances color quality, providing a warm, balanced appearance closer to natural daylight. Perfect for post tops, street lighting, gymnasiums, and warehouses, this lamp combines the strength of HID performance with the visual comfort of incandescent glow.

Power and Versatility

Engineered for heavy-duty performance, this 400-watt HID lamp delivers long-lasting brightness for up to 24,000 hours. With an E39 Mogul base, it operates reliably in 120V–277V fixtures and is suitable for open or enclosed luminaires. Its high lumen output ensures powerful illumination across wide areas, maintaining efficiency and stability throughout its lifespan. Ideal for retrofitting existing mercury vapor or metal halide systems, this lamp delivers consistent performance in rugged, demanding environments.

For the Love of Color

The deluxe white phosphor of the MV400/DX/33/ED37 enhances color rendering beyond standard mercury vapor lamps. Its 3300K neutral-white glow brings out truer tones in landscapes, architecture, and outdoor spaces, reducing harsh glare while improving visibility and ambiance. Whether lighting a parking lot or illuminating a warehouse floor, this lamp produces clean, dependable light with a refined hue that flatters every environment.

Rough Service HID

Built to endure the elements, this HID lamp features a durable ED37 envelope that withstands vibration, heat, and moisture. The rugged construction ensures dependable operation even in exposed outdoor fixtures, providing years of steady service in municipal, industrial, and commercial lighting systems. Designed for universal burn position and consistent lumen maintenance, the MV400/DX/33/ED37 continues to perform long after standard lamps fail.

Effortless Performance

While non-dimmable, the MV400/DX/33/ED37 maintains uniform brightness throughout its life cycle. Its optimized internal arc tube ensures efficient energy use and stable output without flicker or color shift. Once powered on, it produces consistent, powerful light ideal for spaces requiring long operating hours with minimal maintenance interruptions.

Built to Last

Each GoodBulb HID replacement lamp is constructed using top-grade materials and quality manufacturing processes. With a 24,000-hour rated life, this mercury vapor lamp reduces the frequency of replacements, ensuring long-term cost efficiency. From the heavy-duty brass E39 base to the precision-engineered arc tube, every component is built for enduring reliability and performance.

Guardian of Prosperity

Replacing traditional incandescent or lower-efficiency HID lamps with a 400W Deluxe White Mercury Vapor Lamp reduces energy waste and maintenance costs over time. Businesses running dozens of outdoor or high-bay fixtures can save thousands in labor and replacement expenses while maintaining consistent brightness. For a full lighting efficiency audit or LED retrofit consultation, contact a GoodBulb Lumen Master to explore how your facility can save more and shine brighter.

Xtreme Life Guarantee

The MV400/DX/33/ED37 delivers dependable illumination for up to 24,000 hours, lasting up to 10 times longer than incandescent lamps. Every GoodBulb HID is backed by our 5-year Xtreme Life Warranty and supported through our responsible end-of-life recycling program.

Impactful Lighting

A GoodBulb is more than just a light bulb. Every purchase supports our mission to deliver clean, solar-powered light to families living without electricity around the world. By choosing long-lasting, efficient lighting solutions, you reduce waste, save energy, and help build a brighter, more sustainable future. Together, we illuminate lives—made the right way, the Good way.