SAME DAY SHIPPING ON 99% OF ORDERS 
Ensure reliable lighting performance with our replacement for Verilux F20T12SUN. This 20-watt T12 linear fluorescent tube is a direct replacement for medium bi-pin fixtures, delivering full spectrum illumination for desk lamps, light therapy devices, and task lighting applications.
Operating at 20 watts with a 5000K full spectrum color temperature, this tube delivers 850 lumens of bright, daylight-quality light. With a 90 CRI, colors appear vivid and true - supporting visual comfort and accurate color perception for extended tasks.
Key Features & Benefits
- Natural Daylight Simulation: 5000K full spectrum output replicates outdoor light quality.
- High Color Accuracy: 90 CRI for true-to-life color rendering in critical applications.
- Reliable Brightness: 850 lumens provides effective illumination for reading and close work.
- Standard T12 Fit: 1.5-inch diameter compatible with existing T12 fixtures and lamps.
Product Specifications
- MPN: F20T12SUN
- Wattage: 20 Watts
- Color Temperature: 5000K (Full Spectrum)
- Lumens: 850
- CRI: 90
- Base Type: G13 Medium Bi-Pin
- Bulb Shape: T12 Linear
- Condition: Brand New
Common Applications
This full spectrum T12 tube is commonly found in:
- Verilux Desk & Floor Lamps
- Light Therapy & Wellness Devices
- Artist & Drafting Stations
- Sewing & Craft Room Lighting
- Home Office Task Lighting
- Watts: 20
- Base: G13 MEDIUM 2 PIN 13MM CENTER-TO-CENTER
- Color Temp: 5000
- Lumens: 850
- Shape: T12
- Life: 9000
- MOL: 24.00
- CRI: 90
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.