Sylvania 21437 F25T8/CW/ECO 25W T8 4100K Cool White Fluorescent Lamp

Product Overview

Sylvania 21437 F25T8/CW/ECO 25W T8 4100K Cool White Fluorescent Lamp

The Sylvania 21437 (F25T8/CW/ECO) is a 25W T8 fluorescent lamp on a Medium Bi-Pin (G13) base. Rated 4100K cool white at 70 CRI, it delivers 1,850 initial lumens.

Wattage

25W

Color Temp

4100K

Cool White

Lumens

1,850

Initial

CRI

Color Rendering

Rated Life

See specs

Hours

Technical Specifications

Item Number	21437
Ordering Abbreviation	F25T8/CW/ECO
Bulb Shape	T8
Base	Medium Bi-Pin (G13)
Wattage	25W
Nominal Length	Not listed – verify
MOL (Maximum Overall Length)	Not listed – verify
Color Temperature	4100K (Cool White)
CRI	70
Initial Lumens	1,850 lm
Mean Lumens @ 25°C/77°F	Not listed – verify
Average Rated Life	Not listed – verify
Standard Package Quantity	Not listed – verify

Product Overview

This Sylvania 25W T8 fluorescent lamp uses a Medium Bi-Pin (G13) base. Initial output is 1,850 lumens. 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 25W T8 lamp with a Medium Bi-Pin base
Direct replacement for the Sylvania 21437 (F25T8/CW/ECO)

Before Ordering – Verify

Confirm your ballast type is compatible with this lamp (see the Sylvania ballast guide)
Confirm 4100K 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