Model # 422857

Internet #203466584

Store SKU #158296

Philips 4 ft. T12 40-Watt Cool White Supreme ALTO Linear Fluorescent Light Bulb (2-Pack)


4 ft. T12 40-Watt Cool White Supreme ALTO Linear Fluorescent Light Bulb (2-Pack)

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Product Overview

Philips Linear Fluorescent 40-Watt T12 cool white light bulb is ideal for use in garages, basements and workshops. It provides a cool white light that is ideal for a work-like environment. Philips Linear Fluorescent T12 light bulbs feature ALTO Lamp Technology

  • Brightness: 2600 lumens
  • Estimated yearly energy cost: 4.82 (based on 3 hrs/day, 11c/kwh. costs depend on rates and use )
  • Life: 24000 Hours
  • Light Appearance:4100K (Cool White)
  • Energy Used: 40 Watt
  • Lumens Per Watt: 65
  • For indoor, commercial and residential use
  • Ideal for general purpose needs as well as in garages, workshops or basements
  • T12, bipin
  • Fluorescent lamp with ALTO technology has a reduced mercury content for an environmentally friendly alternative to standard bulbs
  • Contains mercury: yes (for more info on clean-up and safe disposal, visit:
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Customer Reviews

4 ft. T12 40-Watt Cool White Supreme ALTO Linear Fluorescent Light Bulb (2-Pack) is rated 2.5 out of 5 by 2.
Rated 3 out of 5 by from Failed after 3 years Bulbs worked well for 3 years and then one failed and the other one started flickering. The reason I give it 3 stars and not 1 star is because Philips actually stands behind their 7 years warranty and they were quick to send me a check to cover the purchase price. Even better, it was easy and it only took 3 minutes on the phone, no on hold music, no hard to navigate menus.
Date published: 2013-10-17
Rated 2 out of 5 by from Not bright enough as a single Bought these to go in a single fixture light strip over a work bench. For this application these are not bright enough. May work better in a double, or it could be the "Cool White".
Date published: 2013-03-07
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