Philips 4 ft. T12 40-Watt Cool White (4100K) Supreme Alto Linear Fluorescent Light Bulb (240-Pallet)-427344 - The Home Depot


Model # 427344

Internet # 203559640

4 ft. T12 40-Watt Cool White (4100K) Supreme Alto Linear Fluorescent Light Bulb (240-Pallet)

Philips 4 ft. T12 40-Watt Cool White (4100K) Supreme Alto Linear Fluorescent Light Bulb (240-Pallet)

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

$348.00 / pallet(unit load)


Model # 427344

Internet # 203559640

Philips Linear Fluorescent 40-Watt T12 cool white supreme 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.

  • Brightness: 2600 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: 4100K (Cool White)
  • Energy used: 40 Watts
  • Lumens per watt: 65
  • Ideal for use in kitchens, bathrooms, garages, basements or anywhere in your home where a natural light is desired
  • For indoor, commercial and residential use
  • Ideal for use in garages, basements and workshops
  • Contains mercury: yes (for more on cleanup and safe disposal visit:
  • Fluorescent lamp with ALTO technology has a reduced mercury content for an environmentally friendly alternative to standard bulbs

Info & Guides

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Approximate Lightbulb Length  48  Bulb Diameter (In.)  1.5 
Average Life (hours)  24000  Bulb Shape  Linear 
Bulb Type  Specialty  Commercial / Residential  Commercial / Residential 
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  T12  Light Color  Cool White 
Light Output (lumens)  2600  Lighting Technology  Fluorescent 
Number in Package  240.0  Returnable  90-Day 
Specialty Bulb Type  Commercial Non-Specific  Watt Equivalence 
Wattage (watts)  40 
Warranty / Certifications
ENERGY STAR Certified  No  Manufacturer Warranty  Yes, 7 Years. See "More Information tab" for details. 


Rated 5.0 out of 5 by 2 reviewers.
Rated 5.0 out of 5.0 by work great thanks for easy online order and great pick up! We ordered online and sent someone to the store to pick it up when we were notified it had arrived. Shipping time was very short and nothing was damaged. We printed pick up receipt and made sure person had identification and all went smooth. Thanks again! March 4, 2014
Rated 5.0 out of 5.0 A lot of lamps The lamps were the right color and arrived in good condition. April 17, 2013
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Curbside Truck Shipping (By Appointment) includes delivery to receiving area/dock for businesses or curbside for residential orders. The carrier will contact you to make a delivery appointment with a 4 hour window once the items have arrived at the local hub in your area. Delivery appointments are required.

If product is eligible for shipping to AK, HI and US Territories additional transit time and remote surcharges may apply.