Product Overview

Sylvania 21869 FO21/950/30in 21W 30" T8 5000K Daylight Fluorescent Lamp
The Sylvania 21869 (FO21/950/30in) is a 21W 30" T8 fluorescent lamp on a Medium Bi-Pin (G13) base. Rated 5000K daylight at 90 CRI, it delivers 1,000 initial lumens (850 mean).
Wattage 21W 30" T8 | Color Temp 5000K Daylight | Lumens 1,000 Initial | CRI 90 Color Rendering | Rated Life 15,000-20,000 Hours |
Technical Specifications
| Item Number | 21869 |
| Ordering Abbreviation | FO21/950/30in |
| Bulb Shape | T8 |
| Base | Medium Bi-Pin (G13) |
| Wattage | 21W |
| Nominal Length | 30" |
| MOL (Maximum Overall Length) | 29.78" |
| Color Temperature | 5000K (Daylight) |
| CRI | 90 |
| Initial Lumens | 1,000 lm |
| Mean Lumens @ 25°C/77°F | 850 lm |
| Average Rated Life | 15,000 to 20,000 hours (varies by ballast type and hours per start; see the Sylvania catalog) |
| Standard Package Quantity | 30 per case |
Product Overview
This Sylvania 21W 30" T8 fluorescent lamp uses a Medium Bi-Pin (G13) base. Initial output is 1,000 lumens, dropping to 850 mean lumens at 25°C/77°F. Specifications were taken from the Sylvania lighting catalog. For ballast/lamp compatibility, refer to the Sylvania QUICKTRONIC ballast guide.
Compatible Applications
- Fixtures specified for a 21W 30" T8 lamp with a Medium Bi-Pin base
- Direct replacement for the Sylvania 21869 (FO21/950/30in)
Before Ordering – Verify
- Confirm your ballast type is compatible with this lamp (see the Sylvania ballast guide)
- Confirm 5000K color temperature matches the rest of your installation
- Confirm lamp length (30") and base type match your fixture
Safety and Handling Guidelines
- Always disconnect power before servicing or installing
- Handle by the base/end caps; avoid flexing or striking the glass tube
- Contains mercury – if broken, ventilate the area and follow EPA cleanup guidance
- Dispose of / recycle in accordance with state and local mercury-lamp regulations; recycle per lamprecycle.org
Ordering Information
- Item Number: 21869
- Ordering Abbreviation: FO21/950/30in
- Manufacturer Part Number: FO21/950/30in
- UPC: 46135218699
- Standard Package Quantity: 30 per case
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.