H38LL-100/DX/MED Superior Life 100W Mercury Vapor Lamp – 3700K Cool White E26 Medium Base Coated Glass Bulb

Made the Right Way the Good Way

Reimagined Industrial Brilliance

The H38LL-100/DX/MED Superior Life 100-Watt Mercury Vapor Lamp delivers reliable, high-output illumination with enhanced color quality and long-lasting performance. Engineered for demanding outdoor and industrial environments, this coated glass lamp provides a balanced 3700K Cool White glow—producing clear, crisp visibility in roadway, parking lot, security, and warehouse lighting applications. Its Superior Life design ensures stable light output, consistent color, and dependable operation throughout its extended lifespan.

Power and Versatility

Operating at 100 watts with an E26 medium screw base, this lamp is compatible with standard HID fixtures and designed for use on ANSI H38-rated ballasts. Optimized warm-up performance delivers faster startup and stable lumen output, reducing downtime and improving efficiency in large-scale lighting systems. Built to perform in both open and enclosed fixtures, this lamp’s superior construction guarantees reliability across commercial and municipal applications.

For the Love of Color

Unlike traditional High Pressure Sodium (HPS) lamps, the H38LL-100/DX/MED delivers superior color rendition, revealing truer hues and improving visual clarity. Its coated glass envelope ensures even light diffusion and reduced glare—creating comfortable, high-visibility lighting environments ideal for safety and productivity.

Rough Service HID

Constructed with durable materials to endure demanding conditions, this mercury vapor lamp features a tough glass housing designed for vibration resistance and thermal stability. Its robust design minimizes color shift and maintains lamp-to-lamp consistency, ensuring professional-grade uniformity across large installations.

Effortless Reliability

Engineered with improved warm-up technology, the Superior Life series reaches full brightness quickly, maintaining maximum output without significant lumen depreciation over time. With a 24,000-hour average rated life, maintenance costs are dramatically reduced—making this lamp a cost-effective choice for facility managers and contractors seeking dependable illumination.

Built to Last

Every Superior Life mercury vapor lamp is constructed with precision components for enduring performance. From its E26 medium screw base to its coated glass finish, each detail is designed to maximize efficiency and stability in continuous-duty environments. This lamp exemplifies the commitment to quality and longevity that defines the Superior Life line.

Guardian of Prosperity

Replacing older, lower-efficiency lamps with Superior Life Mercury Vapor bulbs helps reduce total operational costs. A single 100W lamp operating 12 hours daily can deliver substantial savings through reduced maintenance and downtime. For larger facilities, this translates into significant long-term energy and service cost reduction—protecting both your investment and your bottom line.

Xtreme Life Guarantee

Designed for longevity and backed by a 1-year warranty, this 100W mercury vapor lamp operates reliably in high-temperature environments with starting temperatures below 392°F. With proper ballast pairing, you can expect consistent light quality and performance throughout the lamp’s extended service life.

Impactful Lighting

Lighting is more than brightness—it’s safety, clarity, and peace of mind. Each Superior Life Mercury Vapor Lamp represents a commitment to efficiency, durability, and environmental responsibility. By extending lamp lifespan and reducing waste, this technology contributes to a brighter, more sustainable world.