Product Overview
Sylvania 21438 F17T8/W/ECO 17W T8 3500K Neutral White Fluorescent Lamp
The Sylvania 21438 (F17T8/W/ECO) is a 17W T8 fluorescent lamp on a Medium Bi-Pin (G13) base. Rated 3500K neutral white at 55 CRI, it delivers 1,200 initial lumens (865 mean).
Wattage 17W T8 | Color Temp 3500K Neutral White | Lumens 1,200 Initial | CRI 55 Color Rendering | Rated Life 20,000-30,000 Hours |
Technical Specifications
| Item Number | 21438 |
| Ordering Abbreviation | F17T8/W/ECO |
| Bulb Shape | T8 |
| Base | Medium Bi-Pin (G13) |
| Wattage | 17W |
| Nominal Length | Not listed – verify |
| MOL (Maximum Overall Length) | 47.78" |
| Color Temperature | 3500K (Neutral White) |
| CRI | 55 |
| Initial Lumens | 1,200 lm |
| Mean Lumens @ 25°C/77°F | 865 lm |
| Average Rated Life | 20,000 to 30,000 hours |
| Standard Package Quantity | 30 per case |
Product Overview
This Sylvania 17W T8 fluorescent lamp uses a Medium Bi-Pin (G13) base. Initial output is 1,200 lumens, dropping to 865 mean lumens at 25°C/77°F. This product is not covered in the Sylvania lighting catalog supplied; specifications were carried over from the previous ADL Supply listing and should be verified against the Sylvania datasheet before ordering. For ballast/lamp compatibility, refer to the Sylvania QUICKTRONIC ballast guide.
Compatible Applications
- Fixtures specified for a 17W T8 lamp with a Medium Bi-Pin base
- Direct replacement for the Sylvania 21438 (F17T8/W/ECO)
Before Ordering – Verify
- Confirm your ballast type is compatible with this lamp (see the Sylvania ballast guide)
- Confirm 3500K color temperature matches the rest of your installation
- Confirm lamp length 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: 21438
- Ordering Abbreviation: F17T8/W/ECO
- Manufacturer Part Number: F17T8/W/ECO
- 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.
