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Growlite REAL RED High Pressure Sodium 400W, 2000K

Item #: GLL-400-HPS

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REAL RED High Pressure Sodium 400W, 2000K

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Growlite offers quality made products using only the finest components, materials & finishes to craft and give life to our products. With innovative cutting edge designs and technology, we are not a "me too" type of company. We strongly believe in pushing the limit of new technologies and possibilities in this industry.

REAL RED High Output Open Rated lamps are designed to optimize the red color spectrum required for flowering. REAL RED lamps provide vegetation with the proper light nutrients to assist and complete the final process of vegetation growth and flowering. Overall yield is unparalleled.

REAL RED lamps are designed to run vertically as well as horizontally with no diminishing effects.

    REAL RED Specs:
  • Initial Lumens: 48,000
  • Rated Life: 20,000
  • Color Temperature: 2000k
  • Color Rendering Index )CRI): 25
  • Burning Position: Universal
  • Bulb Designation: ET18
  • Fixture Rating: Open / Enclosed
  • To 90% Warm Up Time (Minutes): 4
  • Hot Restart Time: 3-5
  • ANSI Designation: S51

Growlite's REAL RED HPS lamps are designed and manufactured to their own custom proprietary specifications, maximizing the light spectrum to give you outstanding results. Like all of our lamps, the 400W HPS is open rated to guarantee your safety no matter what application you are using it in. Growlite understands the inherent dangers caused by an aggressive end of life (lamp popping) & REAL RED lamps are the only lamps sold to combat this phenomena, utilizing open rated lamp technology. Growlite stands behind it as the safest 400W HPS on the market. Guaranteed.


Brand Growlite
Weight (lb.) 1
Length (in.) 12
Width (in.) 2
Height (in.) 2
Warranty Yes
Free Shipping Yes
Base Type Mogul (E18)
Grow Bulb Base Type Single Ended
Bulb Orientation Universal
Bulb Type High Pressure Sodium
Watts 400
Color Temp (K) 2000 K
Bulb Lumens 48,000
Estimated Life Hours 20,000

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