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Description
4' grow light bulbs SANSI LED Grow Lights for Indoor Plants, 600W Full Spectrum Clip-on Gooseneck Grow Light with Ceramic Tech.,40W Power Plant LighFeatures: The secondary optical design: PPF: 67. 2 mol s, PPFD: 783. 28 mol s @1ft. Through the lens for secondary scientific light distribution, improves light utilization, giving plants more supplementary light. Using only 40 watts of power, equivalent to 600W incandescent bulbs. Based on 18 hours per day usage, save up to 90% electricity, annual estimated cost $26. 28. 360 Gooseneck & Full Spectrum: Making every plant covered by 360 surrounding
Features:
- The secondary optical design: PPF: 67.2 μmol/s, PPFD: 783.28 μmol/s/㎡@1ft. Through the lens for secondary scientific light distribution, improves light utilization, giving plants more supplementary light. Using only 40 watts of power, equivalent to 600W incandescent bulbs. Based on 18 hours per day usage, save up to 90% electricity, annual estimated cost $26.28.
- 360° Gooseneck & Full Spectrum: Making every plant covered by 360° surrounding light, actualize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm, suitable for every cycle of plant growth, effectively promote plant growth, and improves crop yield and quality. Providing 4000K daylight, color rendering index Ra is close to 100, infinitely close to natural light.
- Replaceable bulbs: Different from similar products on the market, the bulbs of this product can be replaced, which not only facilitates customers to replace broken bulbs at any time but also avoids wasting money to repurchase the whole grow light. Saving money and protecting the environment. Additionally, whole-life warranty for the bulb.
- Patented Ceramic Technology: Chip on Ceramic, SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, and directly solder the LED chip on the ceramic heat sink, effectively reducing the systematic thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, producing a SANSI bulb with higher light efficiency.
- Guarantees: ETL listed & CE certification, quality and safety verified, 25,000 hours lifespan and whole-life warranty for the bulb.
Specifications:
Item Model Number: C21GL-GE26-10W
Wattage: 40W（4*10W)
Voltage: AC 120V 60Hz
Replacement Wattage: 300W Incandescent Bulb
Beam Angle: 60°
PPF: 52 umol/s
Product Size：Φ62mm*H84mm
Weight: 3.12lb
Shipping Notes
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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
4.5 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
A perfect start
Format: Kindle
This is exactly the kind of graphic novel I was looking for. Full of sweetness with a little bit of bite. Reminds me of the great comic series bone. Great story, great art, I can’t wait to get into the next chapter.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Draws You in to the Series
Format: Paperback
The Stonekeeper is the first volume in Kazu Kibuishi's graphic novel series. Although aimed at middle school, it is good for upper elementary school children, and is enjoyable for adults as well. 2 years after the death of Emily and Navin's father in a tragic car crash, Karen moves her children to the family's old house in a dense forest. Built by Karen's grandfather Silas who then disappeared, it has been abandoned for years. During the first night, they hear a strange noise, and Karen is captured by an Arachnopod, a creature from a parallel world, Alledia. Emily and Navin follow their mother into the parallel world where they find their ailing great-grandfather Silas. He tells Emily about the power of the amulet she found in his house. It is the key to ruling Alledia. Silas expires, but not before instructing his robot and animal minions to aid Emily and Navin. This first volume, besides setting the story arc, narrates the rescue of Karen. Unfortunately, she is poisoned setting up the next volume for finding the antidote.
Besides an engaging story with compelling characters, Kibuishi is a fantastic illustrator. As with many exemplar graphic novels the spare text is amplified and much of the story told through his illustrations. The creatures of Alledia are strange enough to pique our imagination, but not so much that they are totally alien in form.
After reading Stonekeeper, I am eager to see what happens next with Emily and Navin, and their company.
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Reviewed in the United States on March 1, 2014
★★★★★ 5
wow
Format: Paperback
I remember when I read in reviews that kids had gotten sucked into this story and had become fans of this series so quickly.... Well, my daughter resisted till page 13 or 14... but since then she's in it... She's very picky when it is about books and even that she's 9, she started to read in English only a few months ago ( we lived abroad,she reads other language) so she still prefers books that is easy to read.
Anyway, get ready, this series is addicted... gooooood :) that is what we need :)
I mean, you can complain that this is a comic book but still, at least the child has the book in his/her hand and not a tablet... and at least he/she reads...
I'm really happy that I got this book for her.
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Reviewed in the United States on November 16, 2023
★★★★★ 5
Wonderful Story, But Small Print
Format: Paperback, Format: Paperback
My son really likes this book. He usually doesn’t enjoy reading much, but this one caught his interest right away. The illustrations are great, and the story is engaging too. He finished the book in just two days! I already bought the second one and am thinking about getting the whole series.
The only thing I didn’t like was the size of the letters. It wasn’t very easy for my 9-year-old to read on his own, and sometimes I had to help him.
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Reviewed in the United States on October 14, 2025
★★★★★ 5
Great story and great quality!
Format: Hardcover
These books are always great! One of my son’s faves. Great story and great quality as usual!
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Reviewed in the United States on May 15, 2026