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VIVOSUN 1-Pack 400Watt HPS Grow Light Bulb Lamp CCT 2100K Bright 55,000 Lumens
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.
Terms of Sales
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If you make two or more separate payments it will go out as two separate orders and you will not get the combined shipping & handling discount or any other promotional offers.
1. Items are generally shipped out within 1-2
business days from our warehouse after your payment has been cleared
(Sat. & Sun. & Public holiday excluded.)
2. We only offer local delivery in USA, which normally takes about 2-6 business days to arrive. If you need Express Mail Service, please contact us by message.
3. We are not responsible for undeliverable address. We reserve the
right to charge the shipping fee again for returned items due to wrong
address supplied by buyer. Any non-received items caused by invalid
address registered on PayPal are not in our full refund or replacement
4. Our shipping rates include the cost of shipping, handling, packaging and related manpower costs.
Terms of Sales
response & Detailed Seller Rating:
We are transnational corporations, only strive for 5 star positive response and will try our best to offer the best service to our buyer. Please email us before leaving negative response or open any dispute and please give us 2 business days to resolve the complaint to your satisfaction.
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).
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.
1. If there's any problem, please do not
hesitate to contact us by message, we will reply you within 2
business day (not include Public holiday).
2. Work Days: Monday to Friday
3. If you don't get response within 1 business days, please check
your email or My Messages in case your email provider has an
overly-aggressive spam filter blocking or my emails. Please add us
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On Nov-26-20 at 23:44:08 PST, seller added the following information: