Sylvania

Sylvania 24472/F40T12CWX Fluorescent Lamp 40W T12

40W

Safeguard Your Tech with Style and EaseIntroducing the Ultimate Messenger Bag, a versatile carrying solution designed for your DSLR camera, Kindle, netbook, and more. Combining durability with a sleek design, this bag ensures your valuable devices are protected while you're on the move. Stay orga...

$24.99*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Safeguard Your Tech with Style and Ease

Introducing the Ultimate Messenger Bag, a versatile carrying solution designed for your DSLR camera, Kindle, netbook, and more. Combining durability with a sleek design, this bag ensures your valuable devices are protected while you're on the move. Stay organized and stylish with this essential accessory.

Key Features

Designation: F40/CWX/UPC

Wattage: 40 W

Bulb Type: T12

Base: Medium Bipin

Shape: Tubular

Specifications

Designation
F40/CWX/UPC
Wattage
40 W
Bulb Type
T12
Base Type
Medium Bipin
Shape
Tubular

Pros & Cons

👍 Pros

  • The Sylvania 24472/F40T12CWX is a standard 40W fluorescent lamp, suitable for general lighting applications.
  • It features a T12 bulb type, which is a common and widely used form factor in many fixtures.
  • The medium bipin base makes it compatible with a broad range of standard fluorescent lamp fixtures.
  • The tubular shape is a traditional design that provides even light distribution across various spaces.
  • Sylvania is a well-established brand in lighting, implying a level of expected quality and consistency for the F40/CWX/UPC designation.

👎 Cons

  • The T12 bulb type is less energy-efficient compared to newer T8 or T5 fluorescent lamps, resulting in higher energy consumption.
  • T12 lamps are being phased out in many regions due to lower efficiency, which could make them harder to find or replace in the future.
  • Fluorescent lamps, including the F40T12CWX, typically contain mercury, which requires special disposal procedures to prevent environmental contamination.
  • The "CWX" designation implies a Cool White color temperature, which may not be preferred for all environments where warmer light is desired.
  • This lamp requires a specific ballast designed for T12 bulbs, which might not be compatible with newer T8/T5 fixtures without an upgrade.

Frequently Asked Questions

This fluorescent lamp has a wattage of 40 W.
It is a T12 bulb type, which refers to its tubular shape and diameter.
The lamp is designed with a Medium Bipin base for installation into compatible fixtures.
"F40" indicates a 40-watt fluorescent lamp, "CWX" typically stands for Cool White Deluxe, and "UPC" refers to the universal product code.
While once common, T12 lamps are generally less energy-efficient than newer T8 or T5 lamps, and their use is declining in favor of more modern alternatives.