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Description
Viribright 4 ft. 40-Watt Equivalent Ballast Bypass Daylight White (5000K) Linear Single End Power T8 LED Tube Light Bulb (12-Pack)Bring the power of outdoor natural light to your indoor work space. This LED T8 Light tube features 5000K natural light that will illuminate any garage, warehouse or other work space. To makes things simple and accessible for everyone, we have included all instructions necessary for easy installation. The single end powered tube design facilitates hassle free implementation. Plus you'll save energy when using this as a fluorescent replacement. It is a
Bring the power of outdoor natural light to your indoor work space. This LED T8 Light tube features 5000K natural light that will illuminate any garage, warehouse or other work space. To makes things simple and accessible for everyone, we have included all instructions necessary for easy installation. The single-end powered tube design facilitates hassle-free implementation. Plus you'll save energy when using this as a fluorescent replacement. It is a 40-Watt equivalent LED tube that will save you up to 70% more energy than other standard solutions. All instructions are included to install this completely on your own. The ballast bypass is easy enough for anyone and the rest will fall into place, the single-end design slots perfectly into your existing light fixtures. Our expert support team will provide you with solutions if anything should go away along the way.
- Brightness: 2200 Lumens
- Estimated yearly energy cost: $1.93 (based on 3-hours per day, 11/kWh, cost depends on rates and use)
- Life time: 5+ years/50,000 hours (based on 3 hours/day)
- Energy used: 20-Watt (equivalent to a 40-Watt standard fluorescent T8 light bulb)
- Lumens per watt: 110
- Accurate color with 90 CRI (color rending index) provides trueness of color so you won't be left guessing
- Individually packaged light bulb packaging makes installation quick and easy
- Shatter-resistant design means you won't have to clean up a mess if the bulb is dropped making installations less stressful
- Pack of 12 LED T8 tubes
- Color temperature: 5000K daylight
- Click here to learn more about
Features
| Light Bulb Base Type | Bi-Pin |
| Lighting Technology | LED |
| Indoor/Outdoor | Indoor |
| Wattage (Watts) | 18 |
| Color Temperature | Daylight |
| Wattage Equivalence | 40 Watts |
| Returnable | 180-Day |
| Light Bulb Shape Code | T8 |
| Number of Bulbs Included | 12 |
| Lumens (Brightness) | 2200 |
| Light Bulb Base Code | G13 |
| Light Bulb Features | Enclosed Fixture Rated,Energy Saving,Environmentally-Friendly Design,Lead Free,Low-Heat,Mercury Free,Shatter Proof,Shatter Resistant |
| Bulb Type | General Purpose |
| Bulb Construction | Plastic |
| Color Rendering Index (CRI) | 90 |
| Actual Color Temperature (K) | 5000 |
| Fixture Color/Finish | Frosted |
| Bulb Shape | Linear |
| Average Life (hours) | 50000 |
| Product Width (in.) | 1.12 in |
| Product Length (in.) | 48 |
| Bulb Diameter (In.) | 1.12 |
| Product Height (in.) | 1.12 in |
| Approximate Light Bulb Length | 4 ft. |
| Manufacturer Warranty | Three years from date of purchase |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.8 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Amazing Energy Boost
This gave me an energy boost immediately after I first took it. It worked so well, so fast, I thought it could not be from this product. Nothing works that fast right? But this did for me.
This is my first time taking Spirulina. I’ve taken supplements and used energy drinks but none had noticeable effects. This Sporulina does.
It is easy to take in this pill form. I curled my fingers in the photo to show how much green residue gets on you when you reach in the bag. It’s a bit more when the bag is brand new. I am halfway through the first, around two months. The green washes off easily with water and does not stain.
It does smell like fish. The odor is stronger when the bag is new. It barely has any taste so breathing through your mouth makes it easier to take if you don’t like fish. I like fish, but not strong fishy fish like mackerel. This is medium fishy when new and is still easy for me to take.
The energy boost was incredible for me. You might not have the same experience. I am a bit older than middle age male. That likely played into my increased sluggishness.
I sleep better after starting to take this. I no longer need to sleep in, and I am not foggy headed all morning. I’ve never been a morning person but now find I can hop out of bed and be ready to go early in the morning. Incredible for me.
I now fall asleep easier and stay asleep. When I do get up for the bathroom I can fall right back to sleep. Ive had sleep apnea my entire post HS life and possibly before. This did/will not cure that and I still use a CPAP. I was alway very trim and fit. So I wonder if this would have helped my sluggishness in my younger years. If that is you I would definitely give this a shot.
I have no idea what is in this that I needed but it is nothing short of amazing for me. Quality multi-vitamins or greens never did this for me.
Hard to beat all that and that a four month is just over $20. Hopefully the price stays there.
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Reviewed in the United States on July 17, 2021
★★★★★ 5
Pure energy and nutrition in a scoop
I’ve been taking organic spirulina for a few weeks now, and I can honestly say it’s made a noticeable difference in my overall energy and wellness. The quality of this product is outstanding—deep green color, fine texture, and no weird aftertaste, which tells me it’s truly clean and nutrient-rich.
I love that it’s USDA organic, non-GMO, and free from fillers or additives, so I feel confident about what I’m putting into my body. I’ve been adding it to my morning smoothies and even mixing a bit into water or juice—it blends well and gives me an instant boost.
Since starting spirulina, I’ve felt more energized throughout the day, and it’s helped curb my cravings between meals. My skin also seems clearer and more vibrant. It’s packed with plant protein, iron, and essential vitamins, so it’s now a staple in my daily routine.
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Reviewed in the United States on June 4, 2025
★★★★★ 5
More Hilarious Aristophanes!!!
Format: Hardcover
Here we have a fantastic translator of Aristophanes, Jeffrey Henderson who has translated all 11 of Aristophanes' plays, who in this handy volume presents us with all the remaining fragments of the great comic playwright.
Translated and published in 2007, this is a welcome edition to go along with whatever you already know about Aristophanes!
I believe that without these fragments of his unknown plays, our picture of Aristophanes is incomplete and somewhat biased. And this goes for Aeschylus, Sophocles and Euripides as well. People who love the ancient playwrights need to know about what else they did besides what is already out there. That's why I love these Loeb Fragments editions! They reveal so much more about the dramatists' genius, art and ouvre.
Here's the breakdown of this ultra-rara Aristophanes volume:
1) TESTIMONIA (of Aristophanes):
Life, Father, Mother, Sons, Homeland, Era, Works and Competitions, Actors and Producers, Feud with Cleon, Socrates, Eupolis and Plagiarism, Baldness, Portraiture, Critical Judgements, Metrical Art, Editions and Commentaries, Epigrams.
2) ATTRIBUTED FRAGMENTS (of 36 Plays)
3) UNATTRIBUTED FRAGMENTS
4) DUBIOUSLY ATTRIBUTED FRAGMENTS
5) INDEX
This is a fantastic accompaniment to those seeking more comic relief outside Aristophanes' already known plays!
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Reviewed in the United States on September 9, 2009
★★★★★ 5
Great Devotional
Format: Hardcover
I have enjoyed the daily thought-provoking devotionals throughout this past year. Although each one is only a page in length, the writer packed in some great truths regularly. Many of the devotionals had such depth that they are worth reading over and over again. I was not familiar with this writer but received the book as a gift. I will treasure it for years to come and recommend it to others who like to start their day with Scripture and a devotional thought. In fact, I felt the book was so good that I have gifted it to a couple of other people. If you are in a quandary what next, you still have time to get this excellent book for 2026.
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Meaningful, Scripture-Rich Devotional
Format: Hardcover
I purchased New Morning Mercies for my husband, and it has been such a meaningful addition to his daily routine. The entries are thoughtful and grounded in Scripture, with enough depth to really reflect on without feeling overwhelming.
What I appreciate most is that each reading feels practical and applicable to real life. It’s not surface-level encouragement it actually challenges and encourages growth.
The hardcover is well made and feels substantial, which makes it a great gift as well.
If you’re looking for a devotional that is Biblically solid and meaningful for everyday life, this is a great option.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
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