SKU: 43911715090

Philips 40-Watt 4 ft. ALTO Supreme Plus High CRI T12 Fluorescent Tube Light Bulb, Cool White 4100K (30-Pack)

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Description

Philips 40-Watt 4 ft. ALTO Supreme Plus High CRI T12 Fluorescent Tube Light Bulb, Cool White 4100K (30-Pack)Philips 40W 4 ft T12 Cool White Fluorescent Tubes (30 Pack) These Philips ALTO Supreme Plus 4 ft T12 fluorescent tubes deliver crisp 4100K cool white light with a high 87 CRI for clear, accurate illumination. Each 40W glass tube produces 2550 lumens and lasts up to 24,000 hours, ideal for commercial and residential general lighting. Key Features: High CRI Cool White: 4100K color temperature with 87 CRI for accurate, bright task lighting Long Life

Philips 40W 4-ft T12 Cool White Fluorescent Tubes (30-Pack)

These Philips ALTO Supreme Plus 4-ft T12 fluorescent tubes deliver crisp 4100K cool white light with a high 87 CRI for clear, accurate illumination. Each 40W glass tube produces 2550 lumens and lasts up to 24,000 hours, ideal for commercial and residential general lighting.


Key Features:

  • High CRI Cool White: 4100K color temperature with 87 CRI for accurate, bright task lighting
  • Long-Life Performance: Up to 24,000-hour average life to reduce maintenance
  • Reliable Output: 2550 lumens per bulb; 63.8 lm/W efficiency
  • Standard Fit: T12 linear tube with G13 medium bi-pin base for Type A ballast fixtures
  • ALTO Technology: Low-mercury design; damp-rated for indoor commercial or residential use

Specifications Table:

Specification Details
Wattage 40 W
Length 48 in (4 ft)
Diameter 1.5 in
Bulb shape T12 linear
Base type G13 medium bi-pin
Color temperature Cool White 4100K (listed as 4000K on site)
Color Rendering Index (CRI) 87
Lumens 2550 lm
Lumens per watt 63.8 lm/W
Average life 24,000 hours
Ballast compatibility Type A
Dimmable No
Material Glass
Finish Frosted
Indoor/Outdoor Indoor; Damp Rated
Operating temperature max 113 °F
Voltage 120 V
Number of bulbs included 30
Contains mercury Yes
Control type Switch
Lighting technology Fluorescent
Bulb color White
Wattage equivalence 40 W
Estimated yearly energy cost $4.82 (3 hrs/day, 11¢/kWh)

Frequently Asked Questions (FAQ):

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


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


Q: What is the color and brightness?
A: Cool White 4100K color temperature with 2550 lumens per bulb and 87 CRI.


Q: Where can these be used?
A: For indoor, damp-rated applications in commercial or residential fixtures using 4-ft T12 lamps.


Q: How many bulbs are included?
A: 30 bulbs are included in this pack.


Crisp, Cool Illumination for Elevated Everyday Spaces

The cool white glow of these linear tubes brings a refined clarity to workshops, kitchens, and utility spaces. I love the sleek, frosted finish—quietly luxe while delivering true-to-color light that keeps surfaces feeling fresh and functional. Line a series above a workbench or within a soffit to create a uniform ribbon of brightness. This is the kind of effortless, dependable lighting that underpins a modern, polished home.


Brighten your space with long-lasting, high-CRI cool white light—add this 30-pack to your cart today.

Warranty

Shipping Notes
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SKU: 43911715090

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Smokem
Phoenix, US
★★★★★ 5
stellar sunscreen for face- sensitive skin friendly, feels good not greasy on, timeless
Size: 3 Fl Oz (Pack of 1), Style: SPF 50
I used to try out different brands and this is the one I've got to have for my face- safe on sensitive skin and just feels really nice and not greasy putting on, sometimes I get stuck borrowing so now I get a few and have them in various places. Also, I appreciate they don't change the packaging or add other versions so I can grab and always feels great and works on
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Reviewed in the United States on April 10, 2026
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JohnDoe
Pawtucket, US
★★★★★ 5
Works great but does not hold up to sweat
Size: 3 Fl Oz (Pack of 1), Style: SPF 50
Dissolves with intense exercise then burns eyes and makes a mess, but otherwise works great.
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Reviewed in the United States on April 24, 2026
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Luz collazo
Port Orchard, US
★★★★★ 5
100% recommend, excellent product
Style: NEUTROGENA SHEER ZINC, Size: 1.5 Fl Oz (Pack of 1)
This sunscreen stick is perfect for kids and so easy to apply! It goes on smoothly without making a mess and provides great sun protection. I love that it’s gentle on sensitive skin and water resistant for outdoor activities. A must-have for beach days and everyday use!
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Reviewed in the United States on May 19, 2026
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KikaBrazil
Carnegie, US
★★★★★ 5
Gentle protection for sensitive kids’ skin ☀️
Style: NEUTROGENA SHEER ZINC, Size: 3 Fl Oz (Pack of 1)
I’ve been trying to be more careful about what I use on my kids’ skin, and this sunscreen has been such a good find. It blends better than most mineral sunscreens I’ve tried, doesn’t have a strong smell, and feels gentle on sensitive skin. I also love that it gives solid sun protection without feeling too heavy or greasy. Perfect for beach days, playground time, or just everyday use outdoors. 😊
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Reviewed in the United States on May 15, 2026
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new yorker
Waukegan, US
★★★★★ 5
Worth the price, ?sheer
Style: NEUTROGENA SHEER ZINC, Size: 1.5 Fl Oz (Pack of 1), Style: NEUTROGENA SHEER ZINC, Size: 1.5 Fl Oz (Pack of 1)
2021 update: My family has been using this formulation for many years now. I chose it for the high (>20%) mineral content of zinc oxide, because that is the substance responsible for the sunscreen effect of this product. Unfortunately that is also the substance responsible for the white cast on the skin. Other brands typically have mineral content in amounts around 8-12% of the product. So although you may not get as white of a cast with those brands, you are also not getting as much of the sunscreen ingredient either. Another way manufacturers combat the white cast problem is to grind the minerals into ultra-fine particles: nanoparticles. There are downsides to this however: loss of UVA blockage, potential lung damage from inhalation of both manufacturing workers and users, possible coral reef and aquatic life disturbance. So, I expect and accept a mild white cast when using this because it is related to its effectiveness and probable lack of nanotization. When I care about the white cast, I use a drop or two of foundation with it. Otherwise, I leave it alone because after rubbing gently in, it’s not very noticeable. No problems with stickiness or tackiness a minute or so after applying and I’ve never had it sting my or my kids eyes probably because it stays put unlike many liquid formulas. I can also attest to its effectiveness as a sunscreen. We use it in the summertime by the beach and at the lake. In the winter and spring time we use it at 10,000 feet elevation while skiing. If we are going to be outdoors in the sun for any significant period of time, we use it then too. Does the job every time. We are diligent about reapplying after swimming or sweating. The pics I posted for comparison of stick sizes. Now go have fun in the sun...after putting on your sunscreen. ----------------------------------------------- Original post: My kid's skin is sensitive to chemical sunscreens so I get only ones made with mineral sunscreens. Sticks are much easier to apply on the face; less mess and hassle. The price of this large stick was off putting at first, but I got it because of the value in price per product; see pics. Very happily, I find it easier to apply than the smaller sticks. Takes less time to swipe on the face and anyone who has ever tried applying sun screen on the face of a child knows, less time to apply is a huge bonus!!! Same effectiveness in preventing sun burns as the smaller versions. I'm buying another one now.
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Reviewed in the United States on October 26, 2020

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