Replacement for Osram Sylvania 15W/21-865 - 15W, Daylight, Globe

A direct replacement for the Sylvania 15W/21-865, this 15-watt CFL features an E26 medium base. It provides steady, reliable illumination throughout its service life.

At 600 lumens, this lamp is appropriate for decorative fixtures and supplemental illumination. The 4100K cool white color temperature produces light that feels bright and productive - promoting alertness and concentration. At 80 CRI, color rendering meets commercial standards with colors appearing natural and accurate.

Key Features & Benefits

• Cool 4100K Output: Clean, professional-grade illumination.
• 600 Lumens: Strong light output for effective coverage.
• Good Color Rendering: 80 CRI meets commercial standards.
• Reduced Heat Output: Runs cooler than incandescent alternatives.
• E26 Medium Base: Direct fit for compatible fixtures.
• Brand New: Factory-fresh lamp with full rated life ahead.

Product Specifications

• MPN: 15W/21-865
• Wattage: 15 Watts
• Color Temperature: 4100K (Cool White)
• Lumens: 600
• CRI: 80
• Base: E26 MEDIUM SCREW, 1-INCH DIAMETER
• Shape: G30
• Condition: Brand New

Common Applications

This CFL is commonly found in:

• Recessed Downlights
• Table & Floor Lamps
• Ceiling Fixtures
• Commercial Lighting

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.