Replacement for Bulbrite 509546 - 42W, Full Spectrum, Spiral

A spiral-style replacement for the Bulbrite 509546, this 42-watt CFL generates substantial light output from its twisted tube geometry. Features an E26 medium base for easy installation.

With 2600 lumens, brightness is robust - well-suited for offices, retail, and general commercial use. The 5000K daylight color temperature produces light that feels vibrant and stimulating - close to natural midday sunlight. The 80 CRI provides good color accuracy suitable for most commercial and residential applications.

Key Features & Benefits

• Daylight 5000K Output: Ideal for color-critical tasks and detail work.
• 2600 Lumens: Strong light output for effective coverage.
• 80 CRI Rating: Colors appear natural and accurate.
• Energy Efficient: Uses a fraction of the energy of equivalent incandescent lamps.
• Compact Design: Fits most fixtures designed for incandescent bulbs.
• E26 Medium Base: Direct fit for compatible fixtures.
• Brand New: Factory-fresh lamp with full rated life ahead.

Product Specifications

• MPN: 509546
• Wattage: 42 Watts
• Color Temperature: 5000K (Daylight)
• Lumens: 2600
• CRI: 80
• Base: E26 MEDIUM SCREW, 1-INCH DIAMETER
• Shape: T4 COIL
• Condition: Brand New

Common Applications

This spiral 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.