Replacement Light Bulb for OSRAM SYLVANIA MP320/350/PS/BU-ONLY/BT28 - 320 Watts 4000K EX39 Base

Replacement for OSRAM SYLVANIA MP320/350/PS/BU-ONLY/BT28 fixtures delivers 320 watts of metal halide output at 4000K color temperature with 29000 lumens and a white bulb finish. The ED28 shape and EX39 base match the original specifications for direct fit in compatible high-intensity discharge systems.

Key Features & Benefits

• 320 watt power rating produces 29000 lumens for commercial and industrial lighting applications
• 4000K color temperature and CRI 70 support consistent light output
• ED28 shape and white bulb finish align with original fixture requirements
• EX39 mogul screw base with long prong ensures proper electrical connection
• 20000 hour rated life reduces frequency of bulb changes in high-use settings

Product Specifications

• Watts: 320
• Base: EX39 MOGUL SCREW WITH LONG PRONG
• Color Temp: 4000
• Lumens: 29000
• Shape: ED28
• Life: 20000
• CRI: 70
• Bulb Finish: WHITE

Replacement Compatibility

Fixtures using OSRAM SYLVANIA MP320/350/PS/BU-ONLY/BT28 equivalent in commercial and industrial high-intensity discharge lighting systems.

Discover the Perfect Replacement

Confirm your fixture requires the OSRAM SYLVANIA MP320/350/PS/BU-ONLY/BT28 equivalent and select this replacement bulb to restore original lighting performance in your commercial or industrial setup.

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.