*Free Ground Shipping on orders $49 or more!
Orders less than $49, we charge a flat fee of $6.95 to the Continental US only. All other locations outside of the Continental US will receive discounted rates.
Price Match Guarantee
We will match the price of any new, same size identical in-stock item. Price Match is only valid for one item per purchase. Click here to learn more
Hassle Free Returns
We give you 45 days from the day you receive your purchase to either exchange, receive store credit or get a refund. All you have to do is ship the product back to us.
- Buy 6 for $16.99 each
Virtual Sun VS400HPS 400 Watt HPS High Pressure Sodium Grow Light Bulb
Virtual Sun VS400HPS 400-Watt HPS Grow Light Blub. High pressure sodium bulbs emit an orange-red glow. This band of light triggers hormones in plants to increase flowering / budding in plants. The 30% more blue/violet provides better range for your plant. HPS grow light is best suited for flowering phase (when the plant is blooming or bearing fruit) because it emits red/orange spectrum light. HPS is a great flowering light, it has features that make it a more economical choice. Their average lifespan is twice that of metal halides, HPS bulbs are very efficient and they produce up to 140 lumens per watt. HPS are more energy efficient, great lumen output, and six times more light output per watt than an incandescent bulb.
- 2,100K rating for bloom / flowering stage
- High power 400 Watts (HPS) bulb
- 50,000 lumens high output
- Take 1 to 2 minutes to reach full brightness
- 30% more blue/violet provides better range for your plant
- Average life span 20,000 to 24,000 hours
- HPS bulb give out 10% more light than standard bulb - 10% increase of light output = 10 % more plant growth
- Fits all standard 400 watts hps grow light systems
- High Pressure Sodium light bulbs emit a white light concentrated in the orange/red spectrum, it enhances plants™ reproductive processes.
- More energy efficient, great lumen output, six times more light output per watt than an incandescent bulb
- High Pressure Sodium lamps are the preferred light for supplemental greenhouse light
- Long usable bulb life, as long as two to five years
What's in The Box
- (1) Virtual Sun 400W (HPS) Bulb
- Owner's Manual
- Virtual Sun Warranties This Bulb Against Transit Damage or D.O.A. - Bulb Must be Inspected Immediately Upon Delivery and Refused If Damage is Present.
- 30 Day Satisfaction Guaranteed
|Bulb Type||High Pressure Sodium|
|HPS ILLUMINATION CHART|
|Watts||Lumen / lm/W|
|400||50,000 / 125|
|600||90,000 / 150|
|1,000||125,000 / 125|