Replacement for Osram Sylvania 18541 - 18W, Warm White, Double Tube, 4-Pin Base

A direct replacement for the Sylvania 18541, this 18-watt quad tube CFL features a G24Q 4-pin base. It provides steady, reliable illumination throughout its service life.

At 1250 lumens, output suits compact fixtures, under-cabinet installations, and accent lighting. The 2700K warm white color temperature produces light that feels soft and comfortable - similar to traditional incandescent lighting. With 82 CRI, colors render naturally - meeting the standard expected in professional environments.

Key Features & Benefits

• Warm 2700K Output: Soft illumination that flatters skin tones.
• 1250 Lumen Output: Reliable brightness for the rated wattage.
• 82 CRI: Good color rendering for natural appearance.
• Energy Efficient: Uses a fraction of the energy of equivalent incandescent lamps.
• G24Q 4-Pin Base: Direct fit for compatible fixtures.
• Brand New: Factory-fresh lamp with full rated life ahead.

Product Specifications

• MPN: 18541
• Wattage: 18 Watts
• Color Temperature: 2700K (Warm White)
• Lumens: 1250
• CRI: 82
• Base: G24Q-2
• Shape: T4
• Condition: Brand New

Common Applications

This quad tube 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.