Product Overview
Sylvania 20669 | 26W Dulux Double T4 CFL - 3500K Natural White
The Sylvania 20669 (CF26DD/E/835/ECO) is a high-efficiency 26-watt double-tube compact fluorescent lamp. Featuring the Ecologic® design, this 4-pin G24Q-3 bulb provides a bright, natural white light (3500K) and is ideal for commercial or residential recessed cans and downlights.
Technical Specifications
| Wattage | 26 Watts |
| Color Temperature | 3500K (Natural White) |
| Base Type | G24Q-3 (4-Pin) |
| Luminous Flux | 1,710 Initial Lumens |
| Rated Life | 12,000 Hours |
| Length (MOL) | 6.5" (166 mm) |
| CRI | 82 |
Key Features & Compatibility
- Eco-Friendly Design: Sylvania Ecologic® lamps are TCLP compliant and meet federal non-hazardous waste criteria.
- Ballast Compatibility: Works with high-frequency electronic and CFL dimming ballasts.
- Lumen Maintenance: Maintains a high mean output of 1,470 lumens.
- Wattage Equivalent: Use the 4:1 rule—this 26W CFL replaces approximately 100W of incandescent light.
Important Installation Notes
- Safety: High-frequency ballasts require a NEMA-recommended end-of-life (EOL) shutdown circuit.
- Warm-up: Initial lumen measurements are taken after 100 hours of operation.
- Environment: For outdoor or cold-weather use, consult the ballast manufacturer for minimum starting temperatures.
