Replacement for Green Energy CFL 18W/41K - 18W, Cool White, Spiral

Replacing the Green Energy CFL 18W/41K, this 18-watt spiral CFL delivers impressive brightness from its compact coiled design. With an E26 medium base, it fits most standard fixtures while dramatically reducing energy use.

Light output of 1100 lumens works well for task lighting and smaller spaces. The 4100K cool white color temperature produces light that feels crisp and focused - ideal for task-oriented spaces. At 85 CRI, colors appear more natural and accurate than with standard-grade lamps.

Key Features & Benefits

• Cool 4100K Color: Bright, productive illumination.
• 1100 Lumens: Strong light output for effective coverage.
• 85 CRI: Good color rendering for natural appearance.
• Long Service Life: Rated for thousands of hours of operation.
• 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: CFL 18W/41K
• Wattage: 18 Watts
• Color Temperature: 4100K (Cool White)
• Lumens: 1100
• CRI: 85
• Base: E26 MEDIUM SCREW, 1-INCH DIAMETER
• Shape: 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.