Model # 422766

Internet # 203466579

Store SKU # 157117

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

$8.97 /set
(limit 35 per order)

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Product Overview

Philips Linear Fluorescent 40-Watt T12 soft white light bulb is ideal for use in kitchens and bathrooms, or anywhere in your home where a soft white light is desired. It provides general room lighting and creates a comfortable, pleasant atmosphere. Philips T12 Linear Fluorescent light bulbs feature ALTO lamp technology.

  • Brightness: 2850 lumens
  • Estimated yearly energy cost: $4.82 (Based on 3 hrs/day, 11c/kWh. costs depend on rates and use)
  • Life: 21.9 years (Based on 3 hrs/day)
  • Light Appearance: 3000K (soft white deluxe)
  • Energy used: 40 Watt
  • Lumens per watt: 71.25
  • Contains mercury: yes (for more on clean-up and safe disposal visit epa.gov)
  • Ideal for use in kitchens and bathrooms, or anywhere in your home where a soft white light is desired
  • Provides general room lighting and creates a comfortable, pleasant atmosphere
  • T12 Shape, bi-pin base
  • 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: epa.gov/cfl)

Info & Guides

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Approximate Lightbulb Length 
Bulb Diameter (In.) 


Average Life (hours) 
Bulb Shape 
Bulb Type 
Commercial / Residential 
Commercial / Residential 
Light Bulb Base Code 
Light Bulb Base Type 
Light Bulb Features 
No additional features 
Light Bulb Shape Code 
Light Color 
Soft White 
Light Output (lumens) 
Lighting Technology 
Number in Package 
Watt Equivalence 
Wattage (watts) 

Warranty / Certifications

ENERGY STAR Certified 
Manufacturer Warranty 
Yes, 7 Years. See "More Information tab" for details. 

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Customer Questions & Answers

1 Question1 Answer

Customer Questions & Answers

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

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1 answer

may i use these 4Ft T12 lamps with an electronic ballast?

This question is from 4 ft. T12 40-Watt Soft White Deluxe ALTO Linear Fluorescent Light Bulb (2-Pack)
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January 27, 2016
actually I'm using them with conventional ballast (inductive)
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Answer (1)

February 9, 2016
Those lamps may be used with either a conventional magnetic or electronic ballast, as long as the ballast is marked for use with 40W T12 lamps.
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Customer Reviews

Rated 3.3 out of 5 by 3 reviewers.
Rated 4.0 out of 5.0 by Fluourescent tube comparison I feel compelled to point out that the warm white tubes (model 422766) put out 2850 lumens versus the 2600 lumens for the cool white tubes (model 422675). If the fixture they are placed in, however, has a bluish tint, more light might come out of the fixture using cool white tubes. My kitchen fixture uses 4 tubes, and I find that using 2 soft white and two cool white together provides more natural color rendering than 4 alike of either type. July 22, 2015
Rated 5.0 out of 5.0 by Love it As the other reviewer stated, this does not give the same light output as a cool white or daylight bulb, but obviously everyone should know that going into this purchase. Soft white gives a more yellowish tint and is alot more homey than cool white bulbs. I have soft white bulbs in every lamp/fixture through out my home. I just traded two perfectly functional cool white bulbs with these soft white bulbs and I can already tell I love it 10x more. My kitchen doesn't feel like a warehouse now, it feels like my home. This might actually sell me on keeping this florescent tube fixture and maybe upgrading it in the future. December 29, 2014
Rated 1.0 out of 5.0 by Bad choice Bought a 2-pack for kitchen fixture. Very poor light output, less than a single tube that was still functional from the old pair. I have also experienced short lifespan from Phillips tubes, averaging less than a year in both garage fixtures and kitchen fixture. Will not be buying any more Phillips tubes. Unfortunately, this is the only brand HD carries locally. November 24, 2014
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