Replacement Light Bulb for SYLVANIA M400/C/U - 400W 4000K E39 Base

Replacement for SYLVANIA M400/C/U that provides 400 watts of output in BT37 shape with coated white finish. This metal halide option produces 35000 lumens at 4000K color temperature and maintains CRI 70 over its 20000 hour rated life on E39 base.

Key Features & Benefits

• 400 watt power rating supports high intensity discharge needs
• 35000 lumens output at 4000K color temperature
• BT37 shape with coated white bulb finish
• 20000 hour life rating with CRI 70

Product Specifications

• Watts: 400
• Color Temp: 4000
• Lumens: 35000
• Shape: BT37
• Life: 20000

Replacement Compatibility

Direct replacement for SYLVANIA M400/C/U and compatible systems requiring E39 base metal halide bulbs with these exact wattage and output specifications.

Discover the Perfect Replacement

Confirm your fixture requires this 400 watt metal halide bulb with E39 base. Select this replacement to match the listed specifications for continued operation.

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.