Product Overview
Sylvania Dulux 13W 3500K Quad-Tube Compact Fluorescent Lamp
Model: 20671 | Base: G24Q-1 (4-pin) | Rated Life: 12,000 Hours
The Sylvania 20671 (CF13DD/E/835) is a high-performance 13-watt Quad-Tube CFL. This lamp provides a crisp 3500K natural white light, making it a reliable choice for commercial and residential recessed lighting.
Specifications
| Nominal Wattage | 13W |
| Color Temperature | 3500K (Natural White) |
| Initial Lumens | 900 lm |
| Color Rendering Index (CRI) | 82 |
| Base Type | G24Q-1 (4-pin) |
| Length (MOL) | 5.2 in (131 mm) |
Key Features & Compatibility
- Ballast Compatibility: Designed for use with electronic and dimming ballasts.
- Eco-Friendly: TCLP compliant—classified as non-hazardous waste in most jurisdictions.
- Long Life: 12,000-hour average rated life (based on 3-hour burn cycles).
- High Efficiency: Delivers 774 mean lumens; use the 4:1 ratio rule for incandescent replacement.
Installation & Safety Information
- Initial lumen output is reached after the first 100 hours of operation.
- NEMA recommends using ballasts with end-of-life (EOL) shutdown circuits to prevent abnormal failure on high-frequency systems.
- Check with the ballast manufacturer for the minimum starting temperature in cold environments.
