Replacement Light Bulb for HOWARD H38JA-100/DX Mercury Vapor - 100 Watts E39 Base 4000K

Replacement for the HOWARD H38JA-100/DX mercury vapor lamp in fixtures requiring a 100 watt BT23.5 shape bulb with white finish and 4000K output.

Key Features & Benefits

• Produces 4100 lumens at 100 watts
• 24000 hour rated life reduces replacement frequency
• CRI of 45 with white bulb finish
• E39 mogul screw base fits standard HID sockets
• BT23.5 shape designed for commercial HID fixtures

Product Specifications

• Watts: 100
• Color Temp: 4000
• Lumens: 4100
• Shape: BT23.5
• Life: 24000 hours
• Base: E39 MOGUL SCREW BASE 39MM DIAMETER (E40)
• CRI: 45
• Bulb Finish: WHITE

Replacement Compatibility

Compatible with fixtures designed for HOWARD H38JA-100/DX and equivalent HID mercury lamps used in general commercial and industrial lighting.

Discover the Perfect Replacement

Confirm your fixture requirements and select this exact replacement bulb to restore original lighting performance in your system.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.