Replacement Light Bulb for LAMPTECH M400U - 400W E39 Base 36000 Lumens

Replacement for LAMPTECH M400U metal halide lamp that provides 400 watts of power with 36000 lumens output at 4000K color temperature in a clear BT37 shape.

Key Features & Benefits

• Operates at 400 watts for consistent HID lighting performance
• Produces 36000 lumens with 65 CRI
• Delivers 20000 hours of rated life
• Features clear bulb finish and BT37 shape

Product Specifications

• Watts: 400
• Base: E39 Mogul Screw Base 39mm Diameter (E40)
• Color Temp: 4000
• Lumens: 36000
• Shape: BT37
• Life: 20000
• CRI: 65
• Bulb Finish: CLEAR

Replacement Compatibility

Replaces M400U and similar HID fixtures in industrial and commercial applications.

Discover the Perfect Replacement

Confirm your fixture requirements and select this exact replacement lamp to restore proper lighting output in your current 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.