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Internet # 321121501

Model # 576090

Store SKU # 1008433898

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40-Watt Equivalent A19 Ultra Definition Dimmable E26 LED Light Bulb EyeComfort Soft White with Warm Glow 2700K (4-Pack)

Includes 4 bulbs
$8.74
/set($2.19 /bulb)
  • Flicker Free Ultra Definition brings out true colors
  • Long-lasting, beautiful light for up to 15,000 hours
  • Dims to a cozy warm glow just like traditional incandescent bulbs
  • View More Details

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Product Details

About This Product

This Ultra Definition dimmable bulb is both comfortable for your eyes and enhances the way you see colors around you. With a high color rendering index (CRI) comparable to natural light, you can enjoy soft white light that brings out the true colors of your home. Includes a 3-Year manufacturer limited warranty.

Highlights

  • See true colors - ultra definition bulbs are equipped with a color rendering index of 95 (CRI95), bringing out the true colors of your home allowing you to enjoy natural lighting indoors
  • EyeComfort - our LED lights are designed for the comfort of your eyes, meeting our strict criteria for EyeComfort, a standard we developed to measure key factors that impact the comfort of your eyes
  • Commitment to sustainability - signify is committed to creating brighter lives and a better world by reducing the environmental impact of our products, phasing plastic out of our packaging and replacing with alternatives such as recycled paper
  • Dims to a warm glow - this bulb dims to a cozy warm glow just like traditional incandescent bulbs
  • Smooth dimming - our LED lights dim to the warm tones of traditional bulbs allowing you to easily change the ambience from functional to an inviting atmosphere
  • Familiar glass design get the look and feel of traditional glass incandescent bulbs with the energy-efficient performance of LED
  • Soft white - this bulb has a color temperature of 2700K, creating a lighting effect that is warm and soft
  • Long-lasting - enjoy long-lasting, beautiful light for up to 15,000-hours (add in LED footnote) or up to 15-years with average use of 3-hours a day
  • Energy saving - enjoy the energy-savings and beautiful light of Philips LEDs and save up to 80% on your energy usage
  • Click here for more information on Electronic Recycling Programs
  • Return Policy

Product Information

Internet # 321121501

Model # 576090

Store SKU # 1008433898

Additional Resources

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From the Manufacturer

Specifications

Dimensions

Product Diameter (in.)

2.36 in

Product Height (in.)

4.13 in

Details

Average Life (hours)

15000

Bulb Color

White

Bulb Finish

Clear

Bulb Material

Glass

Bulb Shape

A-Style

Color Rendering Index (CRI)

95

Color Temperature

Soft White (2700K)

Control Type

Switch

Dimmable Capability

Dimmable

Indoor/Outdoor

Indoor/Outdoor

Light Bulb Base Code

E26

Light Bulb Base Type

Medium

Light Bulb Features

Energy Saving

Light Bulb Shape Code

A19

Lighting Technology

LED

Lumens

450

Max. Operating Temperature (F)

113 °F

Number of Bulbs Included

4

Rated

Wet Rated

Returnable

90-Day

Volt (v)

120

Wattage (Watts)

40

Wattage Equivalance

40

Warranty / Certifications

Certifications and Listings

UL Listed

Manufacturer Warranty

3 Year Limited Warranty

Questions & Answers

Is it rated for enclosed fixture
ByJan 15, 2026
1 Answer | 
Answer This Question

Yes - this LED bulb is rated for use in enclosed fixtures

By|Oct 21, 2026

    (5)

    Are these flicker-free?
    ByOct 2, 2025
    1 Answer | 
    Answer This Question

    Some LEDs may appear to flicker or produce a stroboscopic effect. This could cause distraction, irritation and affect certain health conditions. Philips LEDs feature EyeComfort and are designed to minimize the factors that cause these effects, ensuring complete comfort for the eyes whether you’re reading, working or relaxing.

    By|Oct 2, 2025


      Just rewired two antique lamps with new dimmer sockets/switches. According to the socket manufacturer I need to use Medium base (E26), 150W, 120V "incandescent" bulbs. Can you tell me if I can use these bulbs or are there others that you would recommend?
      BySep 13, 2025
      1 Answer | 
      Answer This Question

      Yes — you can use This LED bulb in your lamps. This LED bulb has an E26 base so it will fit into the socket. The “150W, 120V incandescent” marking on your socket is just the maximum wattage the fixture can handle with older conventional incandescent bulbs. Since our LED bulbs use far less wattage (for example, this LED bulb only uses 8W but gives the same light as a 60W incandescent), they are well within that safety limit.

      By|Aug 22, 2026

        (3)

        What are the dimensions on this bulb? The picture seems to be backwards?
        BySep 9, 2025
        1 Answer | 
        Answer This Question

        This bulb is 4.13 inches in height and 2.36 inches in diameter

        By|Jun 7, 2026

          (2)

          Can these bulbs be used without a dimmer?
          BySep 8, 2025
          1 Answer | 
          Answer This Question

          Yes - you can certainly use these with a standard on/off switch

          By|Sep 21, 2025

            (1)

            Does the 5000k bulb dim to a warm color temperature, such as 2700k?
            ByAug 25, 2025
            1 Answer | 
            Answer This Question

            No - this bulb does not dim to a warmer color temperature. Dimming this bulb reduces the lumen output to a lower level, but it maintains the 5000K color temperature

            By|Oct 19, 2026

              (3)

              Are these compatible with a TRIAC dimmer?
              ByAug 18, 2025
              1 Answer | 
              Answer This Question

              It's possible that the Triac dimmer you have would work, but please find our compatability list here: 20210929-us-dimming-compatibility-list-2021-q3.pdf

              By|Aug 19, 2025


                Can this be used in enclosed fixtures that are recessed lighting in style? Can these be used in recessed luminaries or fixtures that act like recessed luminaries (such as pendant lighting with a shade around it)?
                ByJul 9, 2025
                1 Answer | 
                Answer This Question

                Yes - this LED bulb is rated for use in enclosed fixtures so would be great fort his application

                By|Jul 11, 2025


                  Viewing 1-8 of 19

                  Customer Reviews

                  4.3 out of 5

                  • 4.3 out of 281 reviews
                  • 42% recommend this product
                  Filter by:
                  Showing 1-10 of 281 reviews
                  This customer chose to rate the product and not provide text.
                  by
                  Great light for outdoor use in the pole light fixture shown in the picture. Lights up driveway and adjacent lawn with daylight realism.
                  by
                  High failure rate
                  Bought 4-4 packs of these September 2025, as of now 7 of the 16 bulbs (almost 50% failure rate) have failed doing the dim yellow/flicker thing. I opened a case with signify but it’s been a week and crickets from them.
                  by
                    3 found this review helpful
                    We previously had some older dimmable EcoSmart bulbs which began to flicker. We learned that these do fail overtime which was disappointing as the actual life of those bulbs were reported to be much longer. After some research we found these to fit all our requirements. We of course needed them to be dimmable but we also wanted them at full brightness to be Soft White which they are. Currently we have a fixture using 8 of these Philips bulbs (yes 8). They work great. They dim at all levels without flickering. They also have this interesting feature that when you dim them their color provides a warmer color which really is what you want. This is a very clever feature. We are currently using an Amazon Basics Smart Dimmable switch which works very well these bulbs although I am guessing any quality dimmable switch will work well. I highly recommend these.
                    by
                    The light bulbs work well for a softer yellow light that dims well, looking for more of that traditional incandescent look. Was a little too low on the output for the bedroom, but works well for the front porch.
                    by
                    Great lighting, but save your receipts
                    Bought two 4-count boxes of these bulbs in May of 2025. I put 3x in a bathroom vanity fixture (they are wet rated) and 5x in our kitchen table fixture. Both of them are non-dimming fixtures/switches. The lighting is great for LED bulbs! There is noticeably less harsh blue light, which was the intent. The soft-white is a warm color very similar to incandescent bulbs and provides comfortable lighting without the eye strain you normally get from LED bulbs that are pointed downward in a fixture above eye level. By November 2025, the three in the bathroom and the one remaining in the downstairs fixture had started to flicker until they were just holding a partial lit (dimmed, I guess) state before some of them went out. I got the first box replaced under warranty (3 years at 3hrs per day) and swapped them out when they arrived. Move forward to February 2026 and 2 of the bulbs from the other box of 4 started to flicker, too. I contacted support again - the online submission form is gone from their site, so you have to call them now, which is fine - and described the situation with the 2nd box of bulbs. They apologized for how familiar I was with their warranty process and sent me another replacement box. The day the replacement bulbs showed up, the remaining 2 bulbs from the 2nd box started to flicker. Since the bulbs were all bought at the same time, and went out fairly close together per original box (across 2 different fixtures), I'm hoping that I just got a bad batch of bulbs. It was very helpful to have the Home Depot receipt in my email already for the warranty submission process. Overall, I would recommend the bulbs for their described features, but with the caveat to hold onto your receipt or order them through the website so it is tied to your account for reference later. Only reason I'm giving 4 stars is because they didn't even last a year at less than the "average" 3 hours per day, but they were replaced under the stated warranty.
                    by
                      1 found this review helpful
                      A Waste of Money.
                      I bought 3 of these 4-packs at the end of December, 2025 and replaced the 4 CFLs in my bathroom at the beginning of January, 2026. One at a time, all 3 started flickering, and then permanently settled into about a half-bright condition. Philips' so-called warranty isn't worth the paper it's printed on -- you have to return the bulb(s) along with the receipt and proof of purchase. For 4 bulbs, that would probably cost more than the purchase price.
                      by
                        2 found this review helpful
                        Excellent warm light - this is the easiest upgrade you can make to your room. This is the top choice bulb with a very nice comfortable glow and excellent color definition
                        by
                        SHORT LIFE SPAN
                        Very disappointed in this. I have been buying this bulb for years. I recently bought 3 packs to replace all of our bathroom lights and already I have had 3 go out (just doing the "warm glow" thing). So now I have to replace all of them again. Let's bring incandescent back!
                        by
                          2 found this review helpful
                          The Satco Nuvo Blink Performer 7” light was easy to install and gives perfect, even coverage in my smaller walk-in closet. Its 100-degree spread lights the space beautifully without harsh shadows. Great compact, efficient choice!
                          by
                          • Verified Purchase
                          2 found this review helpful
                          Showing 1-10 of 281 reviews