Philips 4 ft. T8 32-Watt Daylight Deluxe (6500K) ALTO Linear Fluorescent Light Bulb (10-Pack)-422949 - The Home Depot


Model # 422949

Internet # 203466585

Store SKU # 159367

4 ft. T8 32-Watt Daylight Deluxe (6500K) ALTO Linear Fluorescent Light Bulb (10-Pack)

Philips 4 ft. T8 32-Watt Daylight Deluxe (6500K) ALTO Linear Fluorescent Light Bulb (10-Pack)

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

$33.97 / case


Model # 422949

Internet # 203466585

Store SKU # 159367

Create a cool and refreshing environment with the Philips 32-Watt 4 ft. T8 Daylight Deluxe Linear ALTO Fluorescent Light Bulbs. These light bulbs cast an arctic white light making them ideal for bathrooms, laundry rooms or any room. The long-lasting bulbs can shine up to 30,000 hours using 2,750 lumens. These bulbs feature ALTO low-mercury technology for environmentally friendly use.

  • Brightness: 2750 lumens
  • Estimated yearly energy cost: 3.85 (Based on 3 hrs/day, 11c/kwh. costs depend on rates and use)
  • Life: 27.4 years (Based on 3 hrs/day)
  • Light Appearance: 6500k (daylight)
  • Energy used: 32 Watt
  • Lumens per watt: 85
  • For indoor, commercial and residential use
  • Casts an arctic, white light perfect for commercial or residential general purpose use in bathrooms, laundry rooms or kitchens
  • T8, Bi-pin
  • 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:

Info & Guides

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Approximate Lightbulb Length  48  Assembled Depth (in.)  49.38 in 
Assembled Height (in.)  2.7 in  Assembled Width (in.)  6.44 in 
Bulb Diameter (In.)  1.0  Product Length (in.)  48 
Actual Color Temperature (K)  6500  Average Life (hours)  30000 
Bulb Shape  Linear  Bulb Type  Household 
Color Rendering Index  82.0  Commercial / Residential  Commercial / Residential 
Commercial / Residential  Commercial / Residential  Hazardous Code  Non-regulated Solid 
Indoor/Outdoor  Indoor  Light Bulb Base Code  Bi-Pin 
Light Bulb Base Type  Bi-Pin  Light Bulb Features  No additional features 
Light Bulb Shape Code  T8  Light Color  Daylight Deluxe 
Light Output (lumens)  2750  Lighting Technology  Fluorescent 
Number in Package  10.0  Returnable  90-Day 
Start-Up Type  Rapid  Watt Equivalence 
Wattage (watts)  32 
Warranty / Certifications
ENERGY STAR Certified  No  Manufacturer Warranty  Yes, 8 Years. See "More Information tab" for details. 


Rated 3.9 out of 5 by 41 reviewers.
Rated 5 out of 5 by Daylighting Good I have installed these in my shop and am very satisfied. I chose this bulb due to the high color temperature. Downside is that they are more expensive than other choices. After approximately 6 months, I have not had any problems. The previous post indicated that they might burn out fast. I had this problem with a different flourescent tube bulb, but only after I had put it on a motion sensor. I discovered that the life of flourescent bulb was greatly shortened by frequent cycling of the ight on and off. December 9, 2012
Rated 5 out of 5 by Perfect Application This 10-pack was exactly what I needed to complete the shop lighting project for my small barn. I was installing 5 overhead shop lights requiring 2 bulbs per fixture and decided that instead of using standard light level tubes I would like a brighter light as the interior has 288 square feet on the ground floor and a loft area of 190 square feet. These bulbs definitely did the job well and at a price point that was very reasonable. June 24, 2014
Rated 5 out of 5 by Bright Lights The lights are very bright. I bought 4 lights fixtures that hold 4 bulbs each so that's 16 bulbs in my 500 sq ft garage. I love daylight (a hint of blue) for working on stuff. The lights will probably last a long time UNLESS you're using old fixtures designed for the old fat T12. Don't forget, the government mandated the non-production of ballasts for T12 in the light fixtures and now businesses only manufacture light fixtures for T8 with ballasts specified for those types. Mixing the wrong size with the wrong ballast will shorten the light bulb life or not light up all the way. I wish I was certain about the bad reviews saying these don't last long, if the people are using them in an old light fixture (the wrong one that uses T12's). September 25, 2014
Rated 5 out of 5 by Congregation really liked the new lighting in the hall I put up 7 lights in one of the halls in the educational wing of the church. All comments by the members of the congregation were great except that the light was so good they could now see any imperfection in the paint. The Church Board and staff could not wait to approve doing the other hall and the staff offices ASAP. December 10, 2014
Rated 4 out of 5 by Performs as expected Good lighting. It's white. So, it looks a bit different than the others I have that were not replaced. If this is something that would bug you, make sure you're buying the exact same type of light. April 8, 2014
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