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Model # 387522

Internet # 100476647

Store SKU # 600146

4 ft. T12 40-Watt Daylight Deluxe Linear Fluorescent Light Bulb (10-Pack)

This item has been discontinued.
The Home Depot no longer carries this specific product.

$31.46 /case
(limit 35 per order)




Model # 387522

Internet # 100476647

Store SKU # 600146

Store SO SKU # 600146

The Philips 40-Watt Daylight Deluxe Linear Fluorescent Light Bulb (10-Pack) casts a bright, arctic-white glow that helps rooms feel cooler for a refreshing environment. ALTO technology fluorescent bulbs are better for the environment because of the reduced mercury content. These bulbs can be used inside your home or business for your general purpose lighting needs as well as in laundry and bathrooms.

  • Brightness: 2,325 Lumens
  • Estimated year energy cost: $4.82 (based on 3 hours/day, 11¢/kWh. cost depend on rates and use)
  • Life: 21.9 years (based on 3 hours/day)
  • Light appearance: 6500K (daylight)
  • Energy used: 40-Watt
  • Lumens per Watt: 58.1
  • For indoor, commercial and residential use
  • Ideal for general purpose applications including bathrooms and kitchens
  • Bi-Pin
  • Contains mercury: yes (for more on clean-up and safe disposal visit:

Info & Guides

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Approximate Lightbulb Length 
Bulb Diameter (In.) 
Product Length (in.) 
49.63 in 
Actual Color Temperature (K) 
Average Life (hours) 
Bulb Shape 
Bulb Type 
Color Rendering Index 
Commercial / Residential 
Commercial / Residential 
Light Bulb Base Code 
Light Bulb Base Type 
Light Bulb Features 
No additional features 
Light Bulb Shape Code 
Light Color 
Daylight Deluxe 
Light Output (lumens) 
Lighting Technology 
Number in Package 
Start-Up Type 
Watt Equivalence 
Wattage (watts) 
Warranty / Certifications
ENERGY STAR Certified 
Manufacturer Warranty 
Yes, 18.3 years. Please see package for details. 


Rated 4.4 out of 5 by 38 reviewers.
Rated 5.0 out of 5.0 by Great lights. Lights are very bright. The lumens and daylight color value are spot on. I bought a 10 pack when I only needed2. After installing the new lamps I was so impressed with the quality of light and illumination, that I replaced all the other fixtures. I'm going back to buy another 10 pack while they are on sale. November 9, 2015
Rated 5.0 out of 5.0 by Daylight fluorescent bulbs the switch to the 'daylight" bulbs has made working in my kitchen much more enjoyable! October 8, 2015
Rated 5.0 out of 5.0 by Phillips fluorescent light bulbs Product was available in the store and the salesperson was very helpful in assisting me to locate it. Whrn I got home the product fit and met my needs. July 21, 2015
Rated 5.0 out of 5.0 by Wow, that is bright. The local glass studio closed and my daughter was left without a place to do stained glass. I have a room in the basement with a workshop in on one side really nothing but junk in a dark corner on the other side. After a lot of cleaning we had a really nice size art studio, but no lights. I picked up 2 of the cheap t8 fixtures and after installing them I relized that I use t12 at the house. Back to Home Depot! I was about to pick up the cheapest 10 pack when I noticed the little chart about color temp right below all the boxes. These were going to be for a glass/air brush studio after all, so I got the Daylight Deluxe. What a difference. On my bench under standard lights I can't tell dark blue from black. Under these I can see everything. Every color and streak in every pane of glass. Fluorescent paint seems really bright. I really like these and plan on borrowing the area from time to time for my own projects. August 29, 2013
Rated 5.0 out of 5.0 by Great Pricing on a bright bulb Lots of light for my shop. The bulbs are packaged well and don't get damaged by freight. the multiple bulbs per pack saves money. June 16, 2015
Rated 5.0 out of 5.0 by Woodworking Lights for shop Needed good light but not bright light that causes a glare. This is a very good bulb, plenty of light but no glare. Perfect for a busy shop. February 3, 2015
Rated 5.0 out of 5.0 by better than other instore price didn't take real long to arrive came in good condition so far all bulbs function too early to tell how long they last March 24, 2015
Rated 4.0 out of 5.0 by Nice bright white Other than having 2 dead out of the box the purchase was worthwhile. We needed 6 to replace all of the tubes in our house. We have 2 spare after the issue of two of them being DOA, really expected 4 extra thus the 1 star knock on the quality. Overall worth it, the 6 pack price was comparable to the 10-pack so the extra bulbs helped keep this from being a 3-star. March 3, 2015
  • 2015-11-25 T12:22:56.499-06:00
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