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40-Watt 4 ft. ALTO Supreme Linear T12 Fluorescent Tube Light Bulb, Cool White (4100K) (10-Pack)

Includes 10 bulbs ($6.00 /bulb)
$59.98
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  • Ideal for general purpose lighting in your bathroom and kitchen
  • Light appearance: 4100K (Cool White)
  • Lasts up to 21.9 years (based on 3 hours/day)
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Product Details

For the home or office, the Philips 40-Watt Cool White Linear Fluorescent Light Bulb (F40T12/CW SUPREME) is a great lighting source. It provides cool white light with an output of 2600 lumens. This bulb features ALTO technology for low mercury content. It's a more environmentally friendly lighting solution than traditional fluorescent bulbs.

Additional Resources

From the Manufacturer

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Specifications

Dimensions

Approximate Light Bulb Length4 ft.Bulb Diameter (In.)1.5
Product Length (in.)48 in

Details

Actual Color Temperature (K)4100Average Life (hours)24000
Ballast CompatibilityType ABulb ColorWhite
Bulb ConstructionGlassBulb FinishFrosted
Bulb ShapeLinearBulb TypeGeneral Purpose
Color Rendering Index (CRI)85Color TemperatureCool White
Commercial/ResidentialCommercial, ResidentialControl TypeSwitch
Damp/Wet RatingDamp RatedDurabilityNot Applicable
Indoor/OutdoorIndoorLight Bulb Base CodeG13
Light Bulb Base TypeFluorescent Pin BaseLight Bulb FeaturesNo additional features
Light Bulb SetupPlug-inLight Bulb Shape CodeT12
Lighting TechnologyFluorescentLumens (Brightness)2600
Max. Operating Temperature (F)113 °FNumber of Bulbs Included10
Returnable90-DayVolt (v)120
Wattage (Watts)40Wattage (watts)40

Warranty / Certifications

Certifications and ListingsNo Certifications or ListingsManufacturer WarrantyYes, 7 Years. See "More Information tab" for details.
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Questions & Answers

115Questions
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Q:13 months! In my kitchen. I bought the more expensive lights so I wouldn't have to keep changing them. They are pretty much on during dinner prep. Something isn't right with these. Totally disappointed.
by|Jul 9, 2023
0 Answer
Answer This Question
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Q:Is this the same Philips 48? bulb as #987210
by|Jun 6, 2023
1 Answer
Answer This Question

A:  This is a 6500K Daylight Deluxe 40w T12 4ft fluorescent lamp. I am not sure what 987210 refers to - it does not look to be a Philips part #

by|Jun 8, 2023
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    Q:is this the same bulb for F40T12/Dx?
    by|May 4, 2023
    1 Answer
    Answer This Question

    A:  Yes! This is the exact replacement bulb

    by|May 4, 2023
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      Q:Trying to replace this bulb but don?t know if it needs g5 or g12
      by|Jan 2, 2023
      1 Answer
      Answer This Question

      A:  This fluorescent tube has a g13 base

      by|Jan 3, 2023
        Showing 1-4 of 115
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        Customer Reviews

        4.5 out of 5
        (2,826)
        • 4.5
          out of 2,826 reviews
        • 90% recommend this product
        Filter by:
        Showing 1-10 of 2,826 reviews
        Horrible.....21.9 yr life expectancy????
        These bulbs are functional to say the least. they are bright as well easy to install. BUT don't be fooled by the 21.9 yr life expectancy of these bulbs based on 3 hr usage a day. I use these bulbs in my garage and it's on a auto on/auto off light switch. The most these bulbs see is about 1-2 hrs a day if that. With all that said, like other reviewers, these bulbs last 6-12 months at best. REALLY?!?! there's no way anyone is even coming close to a 22 yr life out of these bulbs. I understand that it's tested in a controlled environment but I can almost guarantee most people are getting under 5 years. And in my case 6-12 mo with minimal usage. Absolutely horrible. Who wants to change bulbs for the rest of their life......
        by
          3 found this review helpful
          The lights were installed In old light fixtures I had....
          The lights were installed In old light fixtures I had. They are being used to grow seedlings for the garden. The plants are very happy!
          by
          • Verified Purchase
          Nice and bright....
          Nice and bright.
          by
          • Verified Purchase
          Perfect light for waking up when it's still dark outside.
          These light are super bright and perfect for a kitchen or any room where you want bright light. I installed them in my kitchen because that is where I drink my morning caffeine and they help me get going when it's still dark outside. I would not like the daylight ones in any room where you just want to hang out and relax because they are so bright.
          by
            • Recommended
            3 found this review helpful
            My husband and I live in an apartment and our kitchen light started to flicker. We decided that w...
            My husband and I live in an apartment and our kitchen light started to flicker. We decided that we needed a replacement for this light. We bought a pack of two a few days ago. These lights are very easy to assemble and replace. They're also lightweight but very bright. There were several different packs of product in each individual packaging at the store. Since we just needed two, we bought the two pack one. I am very pleased with these lights because they were easy to find in the store. The light itself is white and it shines like a bright milky white color, which brightens my whole kitchen while I am cooking or baking. The price is quite decent too. Even a newbie can replace these lights, that's how easy it is to use them. The packaging was easy to open too. These lights are so much better than those yellow lights that you see in/around houses. I'd definitely recommend these to everyone.
            by
              • Recommended
              3 found this review helpful
              It was cheap, but only last for about 4 to 6 months.
              It was cheap, but only last for about 4 to 6 months.
              by
              • Verified Purchase
              • Recommended
              7 found this review helpful
              Good and bright lite
              Good and bright lite
              by
              • Pro
              • Verified Purchase
              Bright and easy to install.
              Bright and easy to install.
              by
              • DIY
              • Verified Purchase
              • Recommended
              These bulbs are just what the wife and I need in the new light fixture we installed in our kitche...
              These bulbs are just what the wife and I need in the new light fixture we installed in our kitchen. Just the right amount and 'type' of light.
              by
              • Verified Purchase
              • Recommended
              This product is long lasting and dependable especially in areas where light is a must. They are e...
              This product is long lasting and dependable especially in areas where light is a must. They are economical in price compared to length of service. I use this product in my home in the kitchen and workshop. Very pleased with performance and service of this product.
              by
              • Verified Purchase
              • Recommended
              Showing 1-10 of 2,826 reviews

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