SKU: 42694024946

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

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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
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SKU: 42694024946

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Aly
Natrona Heights, US
★★★★★ 5
Good read for young history lover
Format: Hardcover
My 10 year old WWII buff loved this book.
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Reviewed in the United States on May 25, 2020
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Ken E Smith
Birmingham, US
★★★★★ 5
Good Book
Format: Hardcover
A good book and great shipping!
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Reviewed in the United States on May 6, 2020
M
Mensa for Kids
Cuba, US
★★★★★ 5
Multiple perspectives and fascinating battle plans
Format: Hardcover
D-Day: The World War II Invasion that Changed History by Deborah Hopkinson is a non-fiction book about the events of D-Day. This was an invasion of allied troops onto four German occupied beaches. It took months of painstaking planning and coordinated efforts of multiple nations to pull of this heroic feat. D-Day is widely considered one of the most important military efforts in history. This book does an amazing job of bringing a pivotal point in human history to life. It shows the perspectives of military commanders, journalists, world leaders and soldiers, which allows the reader to become immersed in the story of D-Day. The book was divided into 6 main parts that covered events before, during, and after D-Day. Within these parts, there was numerous other sections, like “Invasion Briefings” and “Reporter’s Notebook.” This broke up the information and made it easier to understand. My favorite aspect of the book was the invasion briefings. As a World War II buff, it was fascinating to see the intricate maneuvers involved with each invasion, and how different units worked in unison. The labeled maps, captions, and diagrams made the information very accessible. Each of the four beaches (Sword, Juno, Omaha, and Utah) had separate invasions that defied the tremendous odds against them. The Allied troops braved beach obstacles, enemy fire and terrible weather, sacrificing everything for a common goal. I also loved how this book displayed the bravery of those behind the scenes during D-Day. Though they were not present on the battlefield, thousands of people worked to build machinery, predict the weather, and plan the invasion. If President Roosevelt had picked the wrong day to invade, the entire D-Day operation may have been for nothing. But under extreme pressure, Roosevelt rose to the occasion and picked the right date. I think he said it best: “I thank the gods of war we went when we did.” I would recommend this book to any reader over the age of ten who enjoys history and reading about World War II. I believe that the best and worst of humanity can be witnessed in wartime situations, and reading about prolific wars is very important. Such a momentous event like D-Day should be appreciated by readers old and young. I give this book five out of five stars because of the multiple perspectives and fascinating battle plans. This book did justice to the importance of such a pivotal point in our history, and was simply a great read. Review by Anya A, age 14, Metropolitan Washington Mensa
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Reviewed in the United States on December 7, 2018
P
P.S. Turner
Belleville, US
★★★★★ 5
Couldn't Put it Down
Format: Hardcover
Hopkinson takes a huge and complex historical event and somehow manages to explain the overarching purpose and events without ever losing sight of the individuals who made it happen. Terrifying, riveting and satisfying in equal measures. Great for young people who want to know more about seminal events (especially ones their relatives may have lived through) and for adults as well. Highly recommended.
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Reviewed in the United States on August 2, 2019
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Openbookreviews
Phoenix, US
★★★★★ 5
Other Words for Home
Format: Hardcover
Other Words for Home by Jasmine Warga is a book that has melted my heart. From the moment I picked up this verse novel, I was engrossed in the story and the courage of the characters.  Jude, the main character, is a young girl from Syria. Her family has been separated by the unrest and violence in her country. To keep Jude and her mother safe, Jude's father has sent them both to live with an uncle in America. Life in America is challenging and scary. Jude is finding herself continually heeding her brother's words to "be brave." Taking his words to heart, Jude holds her head high as she starts school in America, meets new friends, and tries to find a balance between her life in America and her life in Syria. She even emulates his example and makes the choice to audition for the musical at her new American school.  Other Words for Home is a modern-day story of immigration and bravery. It tells the story of one young girl's desire to start her new life in America while she still honors the family and life she left behind in Syria.  It hits on the struggles of fitting in, learning a new language, and the realities of racism and intolerance that happens even here in America.  As I was reading Other Words for Home, I got lost in the poetic words that just flowed from the pages. They were melodic and entrancing. Jasmine Warga has a talent that I would put right up there with other verse novelists, such as K.A. Holt and Kwame Alexander. The verse novel structure was done with perfection, and it was a beautiful asset to Jude's story. 
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Reviewed in the United States on November 10, 2019

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