★★★★★ 5
Got the job done
Color: Black, Size: Standard
Solid product. Fast delivery
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Reviewed in the United States on January 12, 2026
SYLVANIA 400 W HPS-GROWLUX FOR GROWTH AND BLOOM
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
SYLVANIA 400 W HPS-GROWLUX FOR GROWTH AND BLOOMThis bulb can be used for growth and bloom. the light is mostly red yellow spectrum, needed for the flowering stage but it also has 30% more of the blue spectrum (for the vegetative stage). Patented arc tube delivers the highest photosynthetic efficiecy Performance maintained at an exceptional level due to improved structure of the outer bulb, Optimised for the highest Phytolumens or PAR output Industry leading lumen maintenance of 95% at the end of
Quick Dispatch:
Your SYLVANIA 400 W HPS-GROWLUX FOR GROWTH AND BLOOM orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
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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]
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4.1 ★★★★★
Based on 1390 reviews
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Product Reviews
★★★★★ 5
Metal VESA Mount
Great spacesaver for desk. Easy on-monitor installation and I couldn’t beat the price.
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Nice for cable management
Real metal so it is very sturdy and if you tighten your screw it will be very stable too. I out it next to my monitor mount which provide a nice setup for cable management. It fits perfectly to a VESA 100x100 mount. I have a similar setup in my office but under the desk which makes it versatile.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Works awesome
Worked great! Helped to clean up clutter on my desk
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Reviewed in the United States on March 28, 2026
★★★★★ 5
Fits HP G2 dock
I have this mounting an HP-G2 Dock on the back of my Samsung 28inch 4K monitor. I used an additional flat plate to mount this to the left with the monitor arm going the plate and into the monitor. So good I bought a second one for my co worker so our desk don't have wires on them now.
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Reviewed in the United States on February 25, 2026
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