Replacement for Sylvania DULUX D 13W/21 - 13W, Cool White, Double Tube, 4-Pin Base

This 13-watt T4 double twin tube CFL replaces the Sylvania DULUX D 13W/21. Featuring a G24Q 4-pin base, it's designed for commercial and residential fixtures.

With 900 lumens, it provides adequate light at 4100K cool white - bright, productive light that works well for offices, schools, retail, healthcare. The 82 CRI ensures colors appear natural.

Key Features & Benefits

• Cool 4100K Light: Bright, productive illumination for work environments.
• 900 Lumens: Strong light output for effective illumination.
• 82 CRI: Good color accuracy for natural-looking light.
• G24Q 4-Pin Base: Direct fit for compatible fixtures.

Product Specifications

• MPN: DULUX D 13W/21
• Wattage: 13 Watts
• Color Temperature: 4100K (Cool White)
• Lumens: 900
• CRI: 82
• Base: G24Q-1
• Shape: T4
• Condition: Brand New

Common Applications

This double twin tube CFL is commonly found in:

• Recessed Fixtures
• Table Lamps
• Ceiling Lights
• Commercial Downlights

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.