• Eye Hortilux HX66620 Hortilux Super HPS (High Pressure Sodium) Enhanced Spectrum Lamp, 400W, 400-Watt

    Extend the growing season to 365 days a year with Eye Hortilux grow lamps. Choose Eye Hortilux lamps to raise your lighting system to a new level of performance, optimizing spectral energy levels that promote vigorous plant growth. Hortilux Super HPS Enhanced Spectrum grow lamps fine-tune your lighting system to provide optimum spectral energy levels that promote vigorous plant growth. The Eye Super HPS EN Grow Lamps provide 17% more total energy and 25% more energy in the violet, blue, and green spectrum than standard high pressure sodium lamps. These lamps are and pass EPA TCLP test criteria... [Read More]

    • ASIN: B00598GSVS
    • UPC: 639125666206
    • ASIN: B00598GSVS
    • Brand: Eye Hortilux
    • Size: 400-Watt
    • Manufacturer: Eye Hortilux

  • iPower 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp, High PAR Enhanced Red and Orange Spectrums CCT 2100K, 2-PACK

    ITEM: iPower 400w High Pressure Sodium (HPS) Bulb Hydroponics Grow Light   iPower 400/600/1000 Watt High Pressure Sodium (HPS) Bulb Hydroponics Grow Light This high quality HPS Grow light bulb can produce a very balanced and efficient spectrum of lights, brings you the best yields in flowing, budding and fruiting. It emits a red/yellow spectrum that is among the most energy efficient sources of indoor sunlight and extends the growing season. iPower 400-Watt High Pressure Sodium HID light bulb is an efficient lighting solution for industrial applications such as warehouses, post top lights, an... [Read More]

    • ASIN: B0198Z87H0
    • UPC: 799441253532
    • ASIN: B0198Z87H0
    • Brand: iPower
    • Size: 2-Pack
    • Manufacturer: iPower

  • VIVOSUN 2-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens

    VIVOSUN: The #1 Choice for Indoor Grow VIVOSUN focuses on designing and manufacturing quality grow lamps that produce supplemental or artificial light for indoor plant growth. The most reliable grow lamp on the market - 1 million+ happy users and counting Tips: 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 us... [Read More]

    • ASIN: B07L56MPV6
    • UPC: 615435163581
    • ASIN: B07L56MPV6
    • Brand: VIVOSUN
    • Manufacturer: VIVOSUN

  • VIVOSUN 1-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens

    VIVOSUN: The #1 Choice for Indoor Grow VIVOSUN focuses on designing and manufacturing quality grow lamps that produce supplemental or artificial light for indoor plant growth. The most reliable grow lamp on the market - 1 million+ happy users and counting Tips: 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 us... [Read More]

    • ASIN: B00PTPLFBE
    • UPC: 617173647873
    • ASIN: B00PTPLFBE
    • Brand: VIVOSUN
    • Size: 400W
    • Manufacturer: VIVOSUN

  • iPower 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp, High PAR Enhanced Red and Orange Spectrums CCT 2100K


    • ASIN: B005HJJ3WK
    • UPC: 608866952824
    • ASIN: B005HJJ3WK
    • Brand: iPower
    • Size: 400W HPS
    • Manufacturer: iPower Grow Light

  • VIVOSUN 4-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens

    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

    • ASIN: B07M843NP9
    • UPC: 615435163611
    • ASIN: B07M843NP9
    • Brand: VIVOSUN
    • Size: 400W
    • Manufacturer: VIVOSUN

  • Genesis 400 Watt HPS Bulb

    Genesis High Pressure Sodium Bulbs are designed and engineered for horticulture use with Digital Ballast to deliver 27% more energy in the blue and red enhanced ARC spectrum. We do this to maximize the PAR light spectrum plants utilize for growth. Genesis High Pressure Sodium Bulbs are designed for less lumen/PAR depreciation over standard bulbs and can be used with Digital or magnetic ballasts and can be mounted in vertical and horizontal lighting fixtures. Genesis=Quality Caution: Turn Power off before bulb inspection, installation or removal. Protect bulb from direct contact with liquids to... [Read More]

    • ASIN: B00U0RVRDM
    • ASIN: B00U0RVRDM
    • Brand: Genesis
    • Manufacturer: Illuminati Direct

  • HPS Grow Light Bulb Lights- Protopia HPS400WT46 400 Watt High Pressure Sodium Growing Lights 2000K, 56000Lumens, for Indoor Plants, a Classic Choice, 1 Year Warranty.

    Protopia Super High Pressure Sodium (HPS) lamps are the classic and most popular choice for flowering rooms. Protopia HPS lamps can be used through the vegetative and flowering stages, but the yellow spectral output makes them optimal for flowering. Performance DataLamp Wattage (W): 400 Light output ( Lumens @ 100hours): 56000 Lumens per Watt (lm/W): 140 Rated life (Hours @ 10 hour/ start): 24000 Correlated Color Temperature (K): 2000 Color Rendering Index (CRI) or (Ra): 25 Photon flux (μmol/s): 700 Burning Position: HOR±15°

    • ASIN: B071CJM3KC
    • ASIN: B071CJM3KC
    • Brand: Protopia
    • Size: HPS 400W E39 2K
    • Manufacturer: Protopia

  • Apollo Horticulture GLBHPS400 400 - Watt High Pressure Sodium HPS Grow Light Bulb Lamp

    The goal of Apollo Horticulture is simply to be the BEST VALUE in grow lights. We continually work to produce the highest quality, fully featured, and most up to date hydroponic equipment at the LOWEST PRICES possible. We believe that yielding better quality, larger grows don't necessarily mean a higher price tag. The consistency our team delivers year after year, along with unbeatable service, makes up the complete package our customers deserve. It is our commitment to be the grow light company that you'll want to do business with again and again Disclaimer-Apollo Horticulture products are fo... [Read More]

    • ASIN: B005EDB99Y
    • UPC: 849344010975
    • ASIN: B005EDB99Y
    • Brand: Apollo Horticulture
    • Size: 400-Watt
    • Manufacturer: AmazonUs/PSYMG

  • VIVOSUN Hydroponic 400 Watt HPS MH Grow Light Air Cooled Reflector Kit - Easy to Set up, High Stability & Compatibility (Enhanced Version)

    VIVOSUN - Your #1 Choice for Flourishing HarvestBuyers must peel off the inner blue protective film before using.1.VIVOSUN 6" Air Cooled Reflector Specification:-Size: 20"*16"*7"-Air opening diameter: 6-inch-Over 90% highly reflective German aluminum-Rust-resistant housing, sturdy enough to against damage2.VIVOSUN 400w Dimmable Digital Ballast Specification:-Watt Option: 150w / 250w / 400w / Super lumens (110%)--Power Supply: 120~240V-Frequency: 50/60Hz-Power Factor: 99.9%-Power Cord: 120V 8-feet-Matched Bulb Types: HPS / MH-Warranty: 3-Year3.VIVOSUN 400W High Pressure Sodium Bulb Specificatio... [Read More]

    • ASIN: B00P8P50G6
    • UPC: 706551611121
    • ASIN: B00P8P50G6
    • Brand: VIVOSUN
    • Size: Watt-400
    • Manufacturer: VIVOSUN

  • iPower 400 Watt HPS MH Digital Dimmable Grow Light System Kits Wing Reflector Set

    From seeding to flowering, iPower Grow Light System has your plant covered with all the light it will ever need. HID provides the most lumens per dollar, which means the most yields for your investment. This kit eliminates the need for mixing incandescent with fluorescent or additional LEDs that provide little gains at 2 to 3 times the cost. The balanced spectrum set of lights will not only be well-absorbed by plant's chlorophylls, but also promotes healthy chlorophyll production and regulates plant life cycle. iPower Basic Gull Wing Reflector Hood Weight: 3.7 lbs. Dimension: 21 x 17 x 6 in... [Read More]

    • ASIN: B005DO30MI
    • UPC: 608866952121
    • ASIN: B005DO30MI
    • Brand: iPower
    • Size: 400W Grow Light Kit
    • Manufacturer: iPower Grow Light

  • iPower 600 Watt HPS MH Digital Dimmable Grow Light System Kits Wing Reflector Set with Timer

    From seeding to flowering, iPower Grow Light System has your plant covered with all the light it will ever need. HID provides the most lumens per dollar, which means the most yields for your investment. This kit eliminates the need for mixing incandescent with fluorescent or additional LEDs that provide little gains at 2 to 3 times the cost. The balanced spectrum set of lights will not only be well-absorbed by plant's chlorophylls, but also promotes healthy chlorophyll production and regulates plant life cycle. iPower Basic Gull Wing Reflector Hood Weight: 3.7 lbs. Dimension: 21 x 17 x 6 in... [Read More]

    • ASIN: B00CQ8ROYO
    • UPC: 610395731627
    • ASIN: B00CQ8ROYO
    • Brand: iPower
    • Size: 600W, HPS MH
    • Manufacturer: iPower Grow Light

  • iPower 400 Watt HPS MH Digital Dimmable Grow Light System Kits Air Cooled Reflector Hood Set

    From seeding to flowering, iPower Grow Light System has your plant covered with all the light it will ever need. HID provides the most lumens per dollar, which means the most yields for your investment. This kit eliminates the need for mixing incandescent with fluorescent or additional LEDs that provide little gains at 2 to 3 times the cost. The balanced spectrum set of lights will not only be well-absorbed by plant's chlorophylls, but also promotes healthy chlorophyll production and regulates plant life cycle. iPower Air Cooled Reflector Hood Air Duct: 6 inch Weight: 15 lbs. Dimension: 23 x ... [Read More]

    • ASIN: B005GYMM6U
    • UPC: 608866952503
    • ASIN: B005GYMM6U
    • Brand: iPower
    • Size: 400W
    • Manufacturer: iPower Grow Light

  • iPower 1000 Watt HPS MH Digital Dimmable Grow Light System Kits Air Cooled Reflector Hood Set

    From seeding to flowering, iPower Grow Light System has your plant covered with all the light it will ever need. HID provides the most lumens per dollar, which means the most yields for your investment. This kit eliminates the need for mixing incandescent with fluorescent or additional LEDs that provide little gains at 2 to 3 times the cost. The balanced spectrum set of lights will not only be well-absorbed by plant's chlorophylls, but also promotes healthy chlorophyll production and regulates plant life cycle. iPower Air Cooled Reflector Hood Air Duct: 6 inch Weight: 15 lbs. Dimension: 23 x ... [Read More]

    • ASIN: B005F6BI1Y
    • UPC: 628586830707
    • ASIN: B005F6BI1Y
    • Brand: iPower
    • Size: 1000W
    • Manufacturer: iPower Grow Light

  • iPower 600 Watt HPS MH Digital Dimmable Grow Light System Kits Air Cooled Reflector Hood Set

    From seeding to flowering, iPower Grow Light System has your plant covered with all the light it will ever need. HID provides the most lumens per dollar, which means the most yields for your investment. This kit eliminates the need for mixing incandescent with fluorescent or additional LEDs that provide little gains at 2 to 3 times the cost. The balanced spectrum set of lights will not only be well-absorbed by plant's chlorophylls, but also promotes healthy chlorophyll production and regulates plant life cycle. iPower Air Cooled Reflector Hood Air Duct: 6 inch Weight: 15 lbs. Dimension: 23 x ... [Read More]

    • ASIN: B005GYRZV2
    • UPC: 608866952534
    • ASIN: B005GYRZV2
    • Brand: iPower
    • Size: 600W, HPS MH
    • Manufacturer: iPower Grow Light

  • Sylvania (64490) M400/U 400 Watt Metal Halide Light Bulb

    400W general lighting metal halide lamp, universal burn,

    • UPC: 37665627
    • Model: 64490
    • Color: WhiteCool White

  • iPower 400 Watt High Pressure Sodium Super HPS Grow Light Lamp Bulb Fully Spectrum"

    iPower 400 Watt High Pressure Sodium Super HPS Grow Light Lamp Bulb Fully

    • UPC: 346004737
    • Model: GLBULBH400
    • Rating: 5.0

  • Venture 58788 - MS400W/H75/PS 400 watt Metal Halide Light Bulb

    400 watt - ED37 - Mogul Screw (E39) Base - 4,000K - Clear - Pulse Start - Uni-Form | Venture Metal Halide HID Light

    • UPC: 150169555

  • Sylvania 64575 - M400/U/ET18 400 watt Metal Halide Light Bulb

    400 watt - ET18 - Mogul Screw (E39) Base - 4,000K - Clear - Reduced Outer Jacket | Sylvania Metal Halide HID Light

    • UPC: 146262634
    • Model: 64575

  • iPower 2-PACK 400 Watt Super HPS Grow Light Bulb for Magnetic and Digital Ballast"

    iPower 2-PACK 400 Watt Super HPS Grow Light Bulb for Magnetic and Digital

    • UPC: 765602374

  • Plusrite 01023 - MH400/ED28/C/U/4K 1023 400 watt Metal Halide Light Bulb

    Plusrite metal halide lamps offer exceptional quality and efficiency at prices lower than name-brand competitors. Compare the specs and save!Mercury containing products are not available for sale in the state of

    • UPC: 165961936

  • 49197 Model MH400/U 400 ArcMaster Metal Halide Bulb, 400 Watts, Mogul Screw (E39) Base, ED-37 Bulb, 11.5"/292.1mm MOL, 4.65"/118.0mm MOD, 7.00"/178.0mm LCL,.., By Eiko

    Main products of our company :electric, home,toy,clother ,etc. Since its foundation ,the company keeps living up to the belief of :"honest selling ,best quality ,people-orientation and benefits to customers. "We are doing everything to offer

    • UPC: 790532115

  • Satco High Pressure Sodium HID Bulb, 400 Watts

    Used in many industrial and commercial indoor and outdoor applications like parking lots, street lighting, warehouses, churches and shopping centers. Energy saving Pulse start. High quality, rugged arc tubes and frames. Long life - up

    • UPC: 37890925
    • Model: ET18
    • Color: NoneOther
    • Size: 9.63\" x 2.25\"9.63" x 2.25"

  • Halco 108280 - MH400/BU/PS 400 watt Metal Halide Light Bulb

    400 watt - ED37 - Mogul Screw (E39) Base - 4,000K - Clear - Pulse Start - ProLume | Halco Metal Halide HID Light

    • UPC: 191134022
    • Color: White

  • Hydrofarm HX66620 400 Watt Hortilux Super HPS Enhanced Spectrum Bulb

    Raises your lighting system to a new level of

    • UPC: 24774339
    • Model: HX66620
    • Size: 400-Watt400

  • BEST 2015 HPS Grow Light Comparison Test Review

    Dont be Scamed Buying HPS MH Bulbs

    What is the best HID grow light, High Pressure Sodium, Metal Halide or Ceramic Metal Halide?