SKU: 17712013379

Philips 40-Watt 4 ft. Linear T12 ALTO Fluorescent Tube Light Bulb, Cool White 4100K (2-Pack)

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Description

Philips 40-Watt 4 ft. Linear T12 ALTO Fluorescent Tube Light Bulb, Cool White 4100K (2-Pack)Philips 40W 4 ft T12 ALTO Fluorescent Tube, Cool White (2 Pack) These Philips 4 foot T12 ALTO fluorescent tubes deliver bright 4100K cool white light ideal for garages, workshops, and offices. Each 40W bulb outputs 2,600 lumens and is designed for G13 medium bi pin fixtures, offering up to 20,000 hours of life. Key Features: Bright Cool White: 4100K color temperature for crisp, energizing illumination High Output: 2,600 lumens per bulb at 40 watts

Philips 40W 4-ft T12 ALTO Fluorescent Tube, Cool White (2-Pack)

These Philips 4-foot T12 ALTO fluorescent tubes deliver bright 4100K cool white light ideal for garages, workshops, and offices. Each 40W bulb outputs 2,600 lumens and is designed for G13 medium bi-pin fixtures, offering up to 20,000 hours of life.


Key Features:

  • Bright Cool White: 4100K color temperature for crisp, energizing illumination
  • High Output: 2,600 lumens per bulb at 40 watts (approx. 65 lm/W)
  • Long Life: Rated up to 20,000 hours to reduce replacements
  • ALTO Technology: Reduced mercury content for a more environmentally conscious choice
  • Standard Fit: 4 ft. T12 with G13 medium bi-pin base; 2 bulbs included

Specifications Table:

Specification Details
Wattage 40 W
Length 48 in
Diameter 1.5 in (T12)
Bulb Shape Linear
Bulb Shape Code T12
Base Type G13 Medium Bi-Pin
Lighting Technology Fluorescent
Color Temperature 4100K Cool White
Color Rendering Index (CRI) 89
Brightness 2600 lumens
Lumens per Watt 65
Dimmable No
Average Life 20,000 hours
Rated Damp Rated
Indoor/Outdoor Indoor
Number of Bulbs Included 2
Bulb Finish Frosted
Bulb Material Glass
Ballast Compatibility Type A
Max Operating Temperature 113°F
Voltage 120 V
Contains Mercury Yes (ALTO reduced mercury)
Application Residential and commercial general lighting

Frequently Asked Questions (FAQ):

Q: Are these bulbs dimmable?
A: No. These T12 fluorescent tubes are non-dimmable.


Q: What type of base do they use?
A: G13 medium bi-pin base for T12 linear fluorescent fixtures.


Q: Can they be used outdoors?
A: They are intended for indoor use and are damp rated; use in protected fixtures only.


Q: What is the expected lifespan?
A: Up to 20,000 hours, depending on use and operating conditions.


Q: What ballast do they work with?
A: They are compatible with Type A fluorescent ballasts designed for T12 lamps.


Crisp Workshop Glow with Classic T12 Simplicity

These cool white tubes sculpt a workspace with a clean, invigorating glow—perfect for garages and studios where clarity matters. The frosted glass diffuses light evenly, eliminating harsh hotspots and shadows. Line them in a vintage shop fixture over a pegboard wall to highlight tools and textures with precision. A timeless essential for purposeful, elevated utility.


Brighten your workspace with reliable, cool white light—add this Philips 2-pack to your cart today.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 17712013379

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Amber H.
Bozeman, US
★★★★★ 5
Bought to hopefully seal bead leak
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I’ve been using Stan’s sealant on my tubeless tires for years! I have been having issues with a new tire for a while. It was like the bead wouldn’t seal on a specific spot and my tire was constantly leaking air. The local bike shop couldn’t fix it. I bought this product because it claimed to help seal bead leaks. So far so good! I really didn’t want all the doo-dads for the schrader valves. It took me a minute to figure out how to get the presta valve stem out but once I did- it was super easy to install the injector thing and add the sealant. After inflating my tires- I went for a 20 minute bike ride to get the sealant all around my tires. I’m going to take this bike out to pima-dynamite trailhead next weekend in Scottsdale AZ to see if the sealant holds up!!
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Reviewed in the United States on March 2, 2025
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Manuel J. Raposa
Lexington, US
★★★★★ 5
Works like a charm!
Size: 8oz MTB Tire Sealant Kit
I’ve used TireJect before. I used it on my golf scooter to eliminate a slow leak. They only hold 14 psi, but over 4 weeks it was down to 10. The TireJect fixed that immediately. Very easy to use.
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Reviewed in the United States on December 21, 2024
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Ryan
Battle Creek, US
★★★★★ 5
Good
Size: 8oz MTB Tire Sealant Kit
Excellent 
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Reviewed in the United States on June 27, 2025
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User
Belleville, US
★★★★★ 5
This stuff is amazing
Size: 8oz MTB Tire Sealant Kit
I have tried several tire sealants available for my tubeless mountain bike tires. TireJect far out performed all of them. The sealant is holding up well and definitely seals up punctures quicker. I've been stranded miles from the trailhead before and never again with TireJect. Carrying your bike back to the car is a walk of shame nobody wants face. I also liked the included injector better than the others I've had and like that's it's part of a complete kit.
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Reviewed in the United States on May 2, 2023
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Eddie Johnson
Carnegie, US
★★★★★ 5
Best bicycle tire sealant I’ve used! Top tier!
Size: 8oz MTB Tire Sealant Kit
I’ve used most of the known brands and Tireject rises to the top of the market!
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Reviewed in the United States on December 11, 2024

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