Product Overview
Halco 35173 F25T8ES/841/ECO — 25W T8 Fluorescent Lamp, 4100K, Medium Bi-Pin
The Halco F25T8ES/841/ECO (Halco product #35173) is a 25-watt t8 fluorescent lamp from Halco Lighting, rated 4100K. With a Medium Bi-Pin base, 2,500 initial lumens, CRI 86, 24,000-hour rated life, it is a commercial-grade replacement lamp. Verify base type, wattage, length, and ballast compatibility before ordering.
|
Wattage
25W
T8 Fluorescent
|
Lumens
2,500 lm
Initial Output
|
Color Temp
4100K
Fluorescent
|
Base
Bi-Pin
Medium Bi-Pin
|
Rated Life
24,000 hrs
Rated Life
|
Technical Specifications
| Brand | Halco Lighting |
| Halco Product Number | 35173 |
| Product Code | F25T8ES/841/ECO |
| Lamp Type | T8 Fluorescent Lamp (Rapid Start) |
| Wattage | 25W |
| Initial Lumens | 2,500 lm |
| Mean Lumens | 2,380 lm |
| CRI | 86 |
| Color Temperature | 4100K |
| Phosphor | 841 Phosphor, Energy Saver |
| Base Type | Medium Bi-Pin |
| Rated Life | 24,000 hours |
| Average Life | 30,000 hours (based on 12 hours per start) |
| Dimmable | No |
| Length | 36" |
| Commercial Package Quantity | 25 |
| HS Tariff Code | 8539390000 |
Product Overview
The Halco F25T8ES/841/ECO is listed in the Halco Lighting catalog as a 25W t8 fluorescent lamp with 2,500 initial lumens and a Medium Bi-Pin base. Its overall length is 48".
This lamp is part of the Halco Rapid Start T8 line: tri-phosphor coated for high lumen output and a cathode guard that helps maintain output by reducing end-blackening, according to the Halco catalog.
Compatible Applications
- Commercial and industrial lighting — Replacement lamp for fixtures that use a 25W Medium Bi-Pin t8 fluorescent lamp.
- General maintenance replacement — Direct replacement where the existing lamp matches this code, wattage, base, and length.
Before Ordering — Verify
- Base Type: Confirm the fixture socket matches Medium Bi-Pin.
- Wattage: Confirm the fixture and ballast are rated for 25W operation.
- Length: Confirm the 48" overall length fits your fixture.
- Color Temperature: Confirm 4100K matches your existing lamp or application requirement.
- Ballast Compatibility: Confirm your fixture's ballast is compatible with this lamp type and wattage.
Safety and Handling Guidelines
- Mercury Content: Contains mercury. Do not dispose of in regular trash. Recycle through an approved lamp recycling program in accordance with federal, state, and local regulations.
- Allow Cooling: Allow lamps and fixtures to cool before servicing or relamping.
- Correct Ballast Required: Use only with a compatible ballast rated for this lamp. Incorrect ballast use can result in lamp failure or reduced life.
Compliance
- Contains mercury — subject to applicable lamp recycling and disposal regulations. California, Washington, and other states may have mandatory take-back or handling fee requirements.
- Verify RoHS compliance status and additional certifications with the Halco manufacturer specification sheet prior to use in regulated installations.
Ordering Information
- Brand: Halco Lighting
- Halco Product Number: 35173
- Wattage / CCT: 25W / 4100K
- Base: Medium Bi-Pin
- Commercial package quantity: 25 (per Halco catalog)
- HS Tariff Code: 8539390000
- Case quantities and bulk pricing: Contact ADL Supply for volume orders.
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.
