SKU: 42694024946

Philips 40-Watt 4 ft. T12 ALTO Linear Fluorescent Tube Light Bulb, Natural Daylight 5000K (30-Pack)

Sale price$53.44 Regular price$59.38
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Description

Philips 40-Watt 4 ft. T12 ALTO Linear Fluorescent Tube Light Bulb, Natural Daylight 5000K (30-Pack)40W 4 ft. T12 ALTO Daylight Fluorescent Tubes (30 Pack) These Philips 4 ft. T12 ALTO fluorescent tubes deliver crisp 5000K natural daylight for bright, energizing illumination. Ideal for residential and commercial fixtures, each 40W lamp features long life and reliable performance with a medium bipin G13 base. Key Features: Natural Daylight 5000K: Bright, energizing light ideal for task areas and workspaces ALTO Technology: Reduced mercury content for

40W 4 ft. T12 ALTO Daylight Fluorescent Tubes (30-Pack)

These Philips 4 ft. T12 ALTO fluorescent tubes deliver crisp 5000K natural daylight for bright, energizing illumination. Ideal for residential and commercial fixtures, each 40W lamp features long life and reliable performance with a medium bi‑pin G13 base.


Key Features:

  • Natural Daylight 5000K: Bright, energizing light ideal for task areas and workspaces
  • ALTO Technology: Reduced mercury content for a more environmentally conscious choice
  • Long Life: Rated up to 24,000 hours to minimize replacements
  • Standard Fit: T12, 48 in. tubes with medium bi‑pin (G13) base for easy compatibility
  • Durable Build: Frosted glass construction for even, comfortable light distribution

Specifications Table:

Specification Details
Pack Size 30 bulbs
Wattage 40 W
Length 48 in
Diameter 1.5 in (T12)
Base Type Medium Bi‑Pin
Base Code G13
Lighting Technology Fluorescent
Color Temperature 5000K Daylight
Bulb Finish Frosted
Bulb Color White
Material Glass
Brightness (Lumens) 2500 lm
CRI 85
Average Life 24,000 hours
Dimmable No
Ballast Compatibility Type A
Indoor/Outdoor Indoor
Rated Damp Rated
Max Operating Temperature 113°F
Voltage 120 V
Wattage Equivalence 40 W
Contains Mercury Yes (ALTO reduced‑mercury)

Frequently Asked Questions (FAQ):

Q: Are these bulbs dimmable?
A: No. These T12 fluorescent lamps are non‑dimmable.


Q: What type of base do they use?
A: G13 medium bi‑pin base, standard for 4 ft. T12 fixtures.


Q: What fixtures are these compatible with?
A: They are designed for T12 fluorescent fixtures using compatible Type A ballasts.


Q: What is the color temperature and brightness?
A: 5000K daylight appearance with approximately 2500 lumens per bulb.


Q: Are these suitable for damp locations?
A: They are damp‑rated for indoor use.


Crisp Daylight That Elevates Every Workspace

I love the invigorating clarity these 5000K tubes bring to a room—clean, bright, and endlessly functional. Their frosted glass softens the light just enough, creating a polished, uniform wash across countertops and studio benches. Line them in a sleek shop light or a minimalist ceiling troffer to transform garages and craft rooms into luminous ateliers. This is the quietly luxe utility that makes everyday living feel refined and effortless.


Brighten your space with crisp, reliable daylight—add this 30‑pack to your cart and upgrade every fixture at once.

Warranty

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: 42694024946

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Brooke T
West Palm Beach, US
★★★★★ 5
Great quality wire for any automotive or 12 volt wiring
Size: 16 AWG-100 ft
This GS Power 16 gauge wire is excellent quality for any automotive wiring project. The copper is true OFC pure copper, not copper clad aluminum. It’s flexible, easy to route, and holds up well without the insulation feeling cheap or brittle. I have used it for automotive accessory wiring and some 12V equipment projects and it handled everything perfectly. The wire pulls cleanly, solders well, and the insulation thickness gives it a durable feel without being overly bulky. If you need dependable wire for automotive, marine, RV, audio, or general electrical projects, this is a great buy. I would absolutely purchase it again.
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Reviewed in the United States on May 9, 2026
R
Verified Purchase
REEK
Natrona Heights, US
★★★★★ 5
Real copper
Size: 16 AWG-100 ft
Good quality. Copper wire
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
D
Verified Purchase
Duane
Charlottesville, US
★★★★★ 5
Quality all copper wire
Size: 16 AWG-100 ft
True16 Gauge pure copper wire Quality wire with a high strand count Nice insulation not overly stiff or too soft Expect I will be buying more as it is a good value for the $
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Reviewed in the United States on October 1, 2025
D
Verified Purchase
DL NB
Charlottesville, US
★★★★★ 5
Wire works as specified, no issues and good price
Size: 16 AWG-100 ft
Wire is as specified. Works great, no issues. Good price when I purchased. The wire insulation is not overly stiff and can handle manipulation well.
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Reviewed in the United States on August 5, 2025
T
Verified Purchase
Treefrog
Port Orchard, US
★★★★★ 4
Not the sorry copper coated aluminum.
Size: 16 AWG-100 ft
The wire is 16 gauge plenty big for my system. Heck, the wires supplied with my stereo, copomonet speakers, and amplifiers are about 20 or 24 gauge. I'm quite sure the wire will be more than suffeceint. I, m installing a mono sub amplifier a four-way amplifier to the sub amp outputs and the front of lines of the stereo. I'm gonna be pushing 20 speakers all except the sub woofer only pushing 100 watts a channel and the sub will push 150 watts. That makes 21 altogether. Not much just good clean sound. I've been working on the project going on 5 years now. Been bargain hunting, besides the work I've only got about $650 in the project. Can't wait to get it completed here around the end of July. Hopefully, it will sound great didn't want to pay anyone. Seen too many "professional" jobs that were subpar. I've seen some nightmares. Figured if l did the job then who could I blame at least I can only blame myself and didn't pay $1,000 for it. 😁🤔
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Reviewed in the United States on June 30, 2021

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