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Ships within 48 hours · Estimated delivery Nov 12 - Nov 17
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Description
warm grow light bulb A19 10W LED Grow Light Bulb (EU/UK ONLY)Features: Frosted optical design: PPF: 17. 5 umol s, PPFD: 83. 23 mol s @ 1ft. Through the frosted lens not only provides soft and even light improves light utilization, gives plants more supplementary light; but also through 120 beam angle covers more plants. Imitate the solar spectrum: Customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm 780nm; Color rendering index Ra is
Features:
- Frosted optical design: PPF: 17.5 umol/s, PPFD: 83.23 μmol/s/㎡ @ 1ft. Through the frosted lens not only provides soft and even light improves light utilization, gives plants more supplementary light; but also through 120° beam angle covers more plants.
- Imitate the solar spectrum: Customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm; Color rendering index Ra is close to 100, infinitely close to natural light, suitable for every cycle of plant growth, effectively promotes plant growth, and improves crop yield and quality.
- 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 system thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, makes the SANSI bulb has higher light efficiency.
- Safe and reliable: The lamp body is made of special ceramic material, and the flame retardant grade reaches V0; the reinforced insulation structure design, no risk of electric shock, is safer; the whole shell material reaches the WF2 anti-corrosion grade, which is more reliable and durable; low IR, less heat radiation, avoiding close Distance exposure burns plants.
- Guarantees: ETL listed & CE certification, quality and safety verified, 25,000 hours lifespan, 5 years warranty.
Chip on Ceramic (COC) Technology
SANSI's patented COC technology directly solder the LED chip on the ceramic heat sink, effectively reducing the system thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability.
Specification
Item Model Number: C21GL-BE26-10W
Wattage: 10W
Voltage: 220V
Replacement Wattage: 75W Incandescent Bulb
Beam Angle: 120°
PPF:17.5 umol/s
Product Size：Φ65mm*H102mm
Weight: 0.18 pounds
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
4.5 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Extremely comfortable with slight roomy fit
Size: 11, Color: Black/Geyser, Size: 11, Color: Black/Geyser
These are easily the most comfortable flip flops I have ever owned. From the moment I put them on, there was no break in period at all. They felt soft, supportive, and ready for all day wear right out of the box.
The cushioning is excellent without feeling too soft, and they have a nice stable feel when walking. They are lightweight and clearly made with quality materials, making them great for everyday use or around water.
One thing to note is that they run a little on the larger side, so if you are between sizes, you may want to consider sizing down for a better fit.
Overall, these are a great combination of comfort, durability, and function. I would absolutely recommend them, especially if comfort is your top priority. (Excuse the teeth marks- my dog unfortunately got ahold of them before I snapped the photo- they are PERFECT out of the box)
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Comfortable Flip-Flops with a Clean, Sporty Look
Size: 13, Color: Black/Geyser
I picked up the Columbia Men’s PFG Castback Flip in the black and white colorway, and the first thing I noticed was how comfortable they felt right out of the box.
How They’ve Been Used:
Even though it’s still winter, I’ve been wearing them around the house occasionally to get a feel for the fit and comfort. I plan to use them more regularly outdoors once the weather warms up.
What Worked Well:
Immediate Comfort: The footbed feels cushioned and supportive without needing a break-in period.
Secure Fit: The straps sit comfortably without rubbing or feeling stiff.
Lightweight Design: Easy to slip on and off for quick wear.
Clean Style: The black and white combination gives them a sharp, versatile look.
Positive Feedback: My wife has already commented on how good they look.
Things to Keep in Mind:
Seasonal Use: Best suited for warmer weather and casual settings.
Sizing: Checking the size guide helps ensure the right fit.
Bottom Line:
Based on my experience so far, these flip-flops offer a great balance of comfort and style. They’re comfortable enough for everyday wear and look sharp enough for casual outings. I’m looking forward to putting them to full use once spring arrives.
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Reviewed in the United States on February 27, 2026
★★★★★ 5
Columbia always makes great stuff
Size: 14, Color: Espresso II/Black
Even with my flat feet these offer a lot of padding which makes these extremely comfortable. They increase my height about an inch haha. These are great for walking around the beach or just going for walks. The tread on the bottom of these make walking up hills where the surfaces are not completely even extremely easy and very grippy. Time will tell how durable these are, but so far they're holding up very well.
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Comfortable Lightweight Flip Flops with Reliable Grip
Size: 9, Color: Black/Geyser, Size: 9, Color: Black/Geyser
These flip flops have an excellent fit with a cushioned footbed that makes them very comfortable to wear for long periods. The grip is strong on wet surfaces, which adds confidence when walking around pools, beaches, or after rain. The overall quality feels top tier, and the color looks clean and well finished. They are lightweight, and the sizing was spot on, making them easy to slip on and wear throughout the day.
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Reviewed in the United States on March 11, 2026
★★★★★ 5
Comfortable, Lightweight, and Easy for Everyday Wear
Size: 8, Color: Black/Geyser
I picked these up mainly for casual wear and beach days, and they’ve honestly been a great grab. They were comfortable right out of the box, which isn’t always the case with flip flops. The footbed has a little bit of cushion without feeling overly soft or flimsy. They feel supportive enough for running quick errands but still light and easy to slide on.
The fit was true to size for me. They’re maybe slightly roomy in the toe area, but not in a way that bothers me. The straps don’t rub or dig in, which is usually my biggest concern with sandals like this.
They also seem well made. The material feels durable and not cheap, and they have that simple Columbia look that works with shorts or just something casual around the house.
Overall, solid pair of flips. Nothing flashy, just comfortable and reliable. I’d definitely buy them again.
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Reviewed in the United States on February 19, 2026