VIVOSUN 1-Pack 400Watt HPS Grow Light Bulb Lamp CCT 2100K Bright 55,000 Lumens

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VIVOSUN 1-Pack 400Watt HPS Grow Light Bulb Lamp CCT 2100K Bright 55,000 Lumens
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About this item
400W VIVOSUN HPS bulb compatible with electronic and magnetic ballasts, 55000 Lumens, E39 Base.
Optimized 2100K red & orange spectrum and high PAR (Photosynthetic Active Radiation) to stimulate flower growth and enhance fruiting.
Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 5,000 hours.
Startup Time: allow 2-3 mins for full bright. After power off, do please wait at least 5 mins before striking again.
Lifetime: 24,000 hours.
High PAR Enhanced Red and Orange Spectrums
VIVOSUN HPS grow light bulb can produce a very balanced and efficient spectrum for plant growth. VIVOSUN HPS lamps have higher luminous efficiency than ordinary bulbs, and they have stronger penetrating power and long service life. It emits a red and orange spectrum that is among the most energy-efficient sources of indoor lighting and extends the growing season. It can be used through the vegetative, flowering and fruiting stages, and the yellow spectral output makes them optimal for flowering.
Please be aware that grow light bulb is a consumable product. Regardless of HPS, MH, LED, Fluorescent or the incandescent light bulb, the fact that the total lumen (brightness) will decrease in time.
For an optimized growing condition, it is strongly recommended to change your grow light bulb after 12 months of continuous use.
Note: The trigger voltage of our ballast is 7000V, and output frequency is 100K. If your ballast cannot reach the standard, then our bulb cannot be lighted up.
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We are transnational corporations, only strive for 5 star positive feedback and will try our best to offer the best service to our buyer. Please email us before leaving negative feedback or open any dispute and please give us 2 business days to resolve the complaint to your satisfaction.
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Return is accepted within 30 days after the buyer's receiving the item.After getting the returned item, we will refund the customer at the item's price (excluding the shipping costs to and from).
About US
VIVOSUN Horticulture provides you with the highest-quality hydroponics equipment and services at our factory-direct prices—our strict quality assurance continue to build stellar reputation as industry leaders committed to providing customers with a full line of hydroponics solutions they can depend on. It is our commitment to be the hydroponic company that you'll want to do business with again and again.
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1. If there's any problem, please do not hesitate to contact us by eBay message, we will reply you within 2 business day (not include Public holiday).
2. Work Days: Monday to Friday
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On Nov-26-20 at 23:44:08 PST, seller added the following information: