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    (4) Quantum 400W Watt HPS & MH Dimmable Digital Grow Light Lamp Ballasts QT400

    (4) Quantum 400W Watt HPS & MH Dimmable Digital Grow Light Lamp Ballasts QT400

    1 Buy = 4 Quantum 400 Watt Dimmable Ballasts! The world of indoor gardening was changed forever with the introduction of Quantum 400 Watt Ballast. A new alternative to heavy, noisy, power wasting core and coil ballasts had reached our shores.... more

    $374.99

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    Hydroplanet 400W Horticulture Air Cooled Reflector Hood Set Bundle with Digital Dimmable Ballast HPS MH System Light Kit

    Hydroplanet 400W Horticulture Air Cooled Reflector Hood Set Bundle with Digital Dimmable Ballast HPS MH System Light Kit

    Package Includes One 400-watt Dimmable electronic ballast ,two 400-watt Super HPS bulb and MH bulb, 6-inch Standard Air Cool Hood 1 Pair of Rope Ratchets,24 hours timer. 400W Digital Ballast spec: Automatically converts between HPS and MH Lamps Support... more

    $170.00

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    Quantum 400W Watt HPS & MH Dimmable Digital Grow Light Lamp Ballast : QT400, Grey

    Quantum 400W Watt HPS & MH Dimmable Digital Grow Light Lamp Ballast : QT400, Grey

    About this item The world of indoor gardening was changed forever with the introduction of Quantum Ballast. The Quantum 400 Watt Dimmable Ballast device has gone through rigorous testing in lab facilities that replicate the most extreme atmospheric... more

    $96.99

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    (4) QUANTUM 400W Watt HPS & MH Dimmable Digital Grow Light Lamp Ballasts | QT400

    (4) QUANTUM 400W Watt HPS & MH Dimmable Digital Grow Light Lamp Ballasts | QT400

    - (4) New Quantum 400 Watt Dimmable Electronic Ballasts- Runs at 100% or 75% power- Strike both Metal Halide and High Pressure Sodium Bulbs- Accepts 120v or 240v (Both cords included)- Allows 50 Hertz to 60 Hertz- Runs 15% cooler than other digital... more

    $863.99 $374.99

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    400w Digital Dimmable Ballast for MH HPS Grow Light System

    400w Digital Dimmable Ballast for MH HPS Grow Light System

    Brand NewDigital Electronic Dimmable Ballast fits for HPS or MH Grow Light System. Up to 30% more than magnetic ballasts for improved yields. Quick lamp ignition by lighting the bulbs within 1-2mins and stable light output by constant lamp voltage.... more

    $107.99

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    Hydroplanet™ 400w Digital Ballast Dimmable HPS Mh Grow Light System for Plant with XXL Open Hood Reflector

    Hydroplanet™ 400w Digital Ballast Dimmable HPS Mh Grow Light System for Plant with XXL Open Hood Reflector

    Package Includes One 400-watt Dimmable electronic ballast ,two 400-watt Super HPS bulb and MH bulb, 6-inch Standard Air Cool Hood 1 Pair of Rope Ratchets,24 hours timer. XXL Open Hood Type Reflector Size: 34-1/2"L x 29"W x 9"H Lamp compatibility:... more

    $152.00

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    400 Watt HPS Lamp S51 Ballast Kit S51/400CWA/4T/K

    400 Watt HPS Lamp S51 Ballast Kit S51/400CWA/4T/K

    Input Voltage: Quad Tap [120V 208V 240V 277V]Frequency: 60Hz Circuit Type: CWA Bulb Type to Use: 400W HPS, LU400 Reference Part No: S51/400CWA/4T/K 55124 more

    $116.00

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    LSE Lighting 400W LU400 HPS hydroponics Grow Light Mogul Base

    LSE Lighting 400W LU400 HPS hydroponics Grow Light Mogul Base

    Brand: LSE Lighting/FanLightType: High Pressure SodiumWattage: 400WVoltage: 120VColor: 2100K Full SpectrumBase: Mogul E39Shape: ET18/ED18Life Hours: 24,000Burn Position: UniversalRuns on standard 400W High Pressure Sodiums BallastsThis type of light... more

    $14.00

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    HPS 600W Super-HPS Hydroponics Grow Light Lamp

    HPS 600W Super-HPS Hydroponics Grow Light Lamp

    Brand: Major BrandColor Temperature: 2000KRated Wattage: 600Base Type: Mogul (E39)HID Type: SodiumRated Initial Lumens: 96,000Warranty: 1 YearBulb Orientation: UniversalBulb Shape: T15Average Rated Life Hours: 24,000ANSI Ballast: S106 more

    $38.00

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    400W LED Grow Lights Full Spectrum Indoor Plant Lamp for Plants

    400W LED Grow Lights Full Spectrum Indoor Plant Lamp for Plants

    400W LED Grow Lights Full Spectrum Indoor Plant Lamp for Plants Features:New Epistar 400W LED Grow LightComfortable and Bright lighting environmentFeatures: Increase yield and decrease growth circleFor: Hydroponics Vegetables; Herbs and Flowering... more

    $99.24

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    10W Full Spectrum LED Plant Grow Lights E27 AC 110V / 220V Growing Lamp

    10W Full Spectrum LED Plant Grow Lights E27 AC 110V / 220V Growing Lamp

    10W Full Spectrum LED Plant Grow lights E27 AC 110V / 220V Growing Lamp Features:1. Energy Electricity Saving with Higher-level Efficiency2. HPS; HID; MH; Incandescent & Halogen Lamp3. Full spectrum that is necessary & critical for plants growing &... more

    $4.33

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    LED Lighting4Less GrowPro 600 LED Grow Light - GPP-600

    LED Lighting4Less GrowPro 600 LED Grow Light - GPP-600

    Multi-watt, multi-spectrum settings for plants in all stages. 50,000 hour life cycle. Up to 80% more energy efficient than metal halide or HPS lamps. Includes grow lamp and integrated hanging hardware kit. Covers 25 sq. ft.. Watts: 600W. The LED... more

    $799.99

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    LED Lighting4Less GrowPro 600 LED Grow Light - GPP-600

    LED Lighting4Less GrowPro 600 LED Grow Light - GPP-600

    Multi-watt, multi-spectrum settings for plants in all stages. 50,000 hour life cycle. Up to 80% more energy efficient than metal halide or HPS lamps. Includes grow lamp and integrated hanging hardware kit. Covers 25 sq. ft.. Watts: 600W. The LED... more

    $799.99

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    LED Lighting4Less GrowPro 600 LED Grow Light - GPP-600

    LED Lighting4Less GrowPro 600 LED Grow Light - GPP-600

    Multi-watt, multi-spectrum settings for plants in all stages. 50,000 hour life cycle. Up to 80% more energy efficient than metal halide or HPS lamps. Includes grow lamp and integrated hanging hardware kit. Covers 25 sq. ft.. Watts: 600W. The LED... more

    $799.99

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    "Ultra Sun 400w HPS Lamp"

    "Ultra Sun 400w HPS Lamp"

    "The Ultra Sun™ High Pressure Sodium (HPS) lamps have a Kelvin temperature rating of 2000°K which is ideal for the fruiting and flowing stages of plants. It is also an excellent lamp for full term plant growth. These lamps have been specifically... more

    $18.95

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    Gavita 400W Enhanced HPS Lamp

    Gavita 400W Enhanced HPS Lamp

    Gavita Enhanced HPS Lamps are compatible with DigiStar high frequency ballasts. One year manufacturer's warranty included. more

    $52.24

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    "Hortilux 400w Super HPS Lamp"

    "Hortilux 400w Super HPS Lamp"

    " Provides 25% more energy in violet, blue and green spectrum than standard High Pressure Sodium. The combination of Super HPS and the Metal Ace conversion lamp provides the optimum spectral energy levels through all stages of plant growth. EN... more

    $57.95

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    "Ushio AHS 400w Opti Red HPS Lamp"

    "Ushio AHS 400w Opti Red HPS Lamp"

    " 400W, 600W, 1000W SUPER high output HPS with maximized output in both red and blue spectral range. SUPER HPS bulb with maximum output in both red and blue spectrum. Runs on HPS Ballast. Optimized for maximum flower yield, and added blue spectrum for... more

    $49.95

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    Lumatek High-PAR HPS Lamp, 400W

    Lumatek High-PAR HPS Lamp, 400W

    Engineered by premiere HID Lamp engineers, Lumatek High-Par Output HPS Lamps provide more photosynthetic-active radiation and a more optimized spectrum of light than normal lamps. More radiation and an optimized light spectrum mean bigger, healthier... more

    $59.99

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    Indoor Grow Science GLL-400-HPS 400W HPS Grow Light 2000K ANSI S51

    Indoor Grow Science GLL-400-HPS 400W HPS Grow Light 2000K ANSI S51

    Brand Indoor Grow Science - MPN Part No. GLL-400-HPS - ANSI Code S51 - Life Hours 20000 - Voltage 100 - Fixture Type Open or Enclosed - Length 9.8 in. - Diameter 2.4 in. - more

    $61.95

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    Hortilux 400w Super HPS Universal Position Lamp

    Hortilux 400w Super HPS Universal Position Lamp

    The king of kings. The Hortilux Super HPS, 400W, U Lamp E-18 is the best High Pressure Sodium lamp that Hortilux offers. The Hortilux Super HPS, 400W has increased levels of blue-region color-spectrum light, which supports dense, robust vegetative... more

    $72.99

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    "Eye Hortilux 400W Super HPS Enhanced Spectrum Bulb"

    "Eye Hortilux 400W Super HPS Enhanced Spectrum Bulb"

    "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... more

    $67.95

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    Xtrasun 400W 120/240v HPS Ballast

    Xtrasun 400W 120/240v HPS Ballast

    "Reliable service at value prices. Designed in America, employing features and materials normally found on higher priced units, these have become the most popular value-priced units on the market. Their unique patented aluminum housing with convection... more

    $133.22

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    Hortilux 66620 - 400W - Super HPS Grow Light - ET18 - ANSI S51 - LU400S/HTL/EN

    Hortilux 66620 - 400W - Super HPS Grow Light - ET18 - ANSI S51 - LU400S/HTL/EN

    Brand Hortilux - MPN Part No. 66620 - Order Code LU400S/HTL/EN - ANSI Code S51 - Family Hortilux Super HPS - CRI 23 - Color Temperature 2100 Kelvin - Life Hours 24000 - Wattage 400 Watt - Lumens 55000 - Base Type Mogul E39 - Burn Position Universal - more

    $57.13

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    "400w HPS+MH Cool Tube Hood Reflector Grow Light Kit by YieldLab *Free Shipping*"

    "400w HPS+MH Cool Tube Hood Reflector Grow Light Kit by YieldLab *Free Shipping*"

    "This 400w HPS+MH Cool Tube Hood Reflector Digital Dimming Ballast Grow Light Kit is fully equipped with everything you need for your indoor garden. The Cool Tube Hood reflector offers an isolated cooling solution for the bulb, with the added bonus of... more

    $189.99

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    "400w HPS+MH Umbrella Reflector Grow Light Kit by YieldLab *Free Shipping*"

    "400w HPS+MH Umbrella Reflector Grow Light Kit by YieldLab *Free Shipping*"

    "This 400w HPS+MH Umbrella Reflector Digital Dimming Ballast Grow Light Kit is fully equipped with everything you need for your indoor garden. The Umbrella light reflector is designed to weight less, allow easier access to the bulb, and provide an... more

    $189.95

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    HypoTek 400W Dimmable HPS MH Grow Light Ballast 400 Watt - 120/240 Volt - 490400

    HypoTek 400W Dimmable HPS MH Grow Light Ballast 400 Watt - 120/240 Volt - 490400

    The coolest ballasts on the market! This energy-efficient 400 Watt Ballast runs extremely cool and silent, and come witha 5 year pro-rated warranty. It�s heat-dispersing fins cover the entire outside of the housing, including theunderside, helping to... more

    $139.99

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    (250+)
    Xtrasun XTB1030 - 400W - HPS Grow Bulb - 2000K 50000 Lumens - 32000 Life Hours

    Xtrasun XTB1030 - 400W - HPS Grow Bulb - 2000K 50000 Lumens - 32000 Life Hours

    Brand Xtrasun - Color Temperature 2000 Kelvin - Bulb Type High Pressure Sodium - Life Hours 32000 - Wattage 400 Watt - Lumens 50000 - Base Type Mogul E39 - more

    $14.88

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    400W HPS/MH SYSTEM WITH TIMER (120v/240v)

    400W HPS/MH SYSTEM WITH TIMER (120v/240v)

    1X (16"" WING RELFECTOR , 400W HPS&MH BULBS + BALLAST, LIGHT HANGERS, & 24HR TIMER) more

    $152.99

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    Lumatek 400W Digital Dimmable Ballast MH/HPS 120-240V

    Lumatek 400W Digital Dimmable Ballast MH/HPS 120-240V

    The Lumatek Dual-Voltage E-Ballast HPS/MH 400W 120-240V is a lightweight electronic ballast that will increase plant size by increasing the amount of lumens available to your plant. The Lumatek Dual-Voltage E-Ballast HPS/MH 400W 120-240V is dimmable... more

    $144.99

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    Virtual Sun 400W HPS MH Electronic Digital Grow Light Lamp Ballast - 400 Watt, Grey

    Virtual Sun 400W HPS MH Electronic Digital Grow Light Lamp Ballast - 400 Watt, Grey

    About this item Features A Digital Ballast enables the electrical current to conform to the optimal levels of performance for the bulb being used. This is only possible through digital circuitry. Digital Ballast also produces a more consistent light... more

    $84.99

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    (2) Quantum 400W Watt HPS & MH Dimmable Digital Grow Light Lamp Ballasts QT400

    (2) Quantum 400W Watt HPS & MH Dimmable Digital Grow Light Lamp Ballasts QT400

    1 Buy = 2 Quantum 400 Watt Dimmable Ballasts! The world of indoor gardening was changed forever with the introduction of Quantum 400 Watt Ballast. A new alternative to heavy, noisy, power wasting core and coil ballasts had reached our shores.... more

    $189.99

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    Virtual Sun 400W HPS MH Magnetic Grow Light Lamp Power Ballast - 400 Watt, Grey

    Virtual Sun 400W HPS MH Magnetic Grow Light Lamp Power Ballast - 400 Watt, Grey

    About this item Features A Magnetic Ballast is a great entry level ballast for beginning users. Many growers use magnetic ballasts because of their low cost, reliability, and proven track record Input Power is stabilized and improves efficiency of... more

    $114.99

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    Hydroplanet™ 400w Digital Ballast Dimable HPS Mh Grow Light System for Plant with Xxxl 6inch Air Cooled Tube Reflector

    Hydroplanet™ 400w Digital Ballast Dimable HPS Mh Grow Light System for Plant with Xxxl 6inch Air Cooled Tube Reflector

    Package Includes One 400-watt Dimmable electronic ballast ,two 400-watt Super HPS bulb and MH bulb, 6-inch Standard Air Cool Hood 1 Pair of Rope Ratchets,24 hours timer. Cool Tube with XXL Wings : Size: 38inx 29inx 7in Lamp Compatibility: MH/HPS Socket... more

    $180.00

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    Hydroplanet™ 400w Digital Ballast Dimmable HPS Mh Grow Light System for Plant with Adjustable Wing Reflector

    Hydroplanet™ 400w Digital Ballast Dimmable HPS Mh Grow Light System for Plant with Adjustable Wing Reflector

    Package Includes One 400-watt Dimmable electronic ballast ,two 400-watt Super HPS bulb and MH bulb, 6-inch Standard Air Cool Hood 1 Pair of Rope Ratchets,24 hours timer. 39inx28in Adjustable Reflector Lamp compatibility: MH/HPS Socket type: E39 mogul... more

    $170.00

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    400w Digital Dimmable Ballast for MH HPS Grow Light System

    400w Digital Dimmable Ballast for MH HPS Grow Light System

    Brand New Digital Electronic Dimmable Ballast fits for HPS or MH Grow Light System. Up to 30% more than magnetic ballasts for improved yields. Quick lamp ignition by lighting the bulbs within 1-2mins and stable light output by constant lamp voltage.... more

    $102.98

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    Hydroplanet™ 400w Digital Ballast Dimmable HPS Mh Grow Light System for Plant with XXL Open Hood Reflector, Grey

    Hydroplanet™ 400w Digital Ballast Dimmable HPS Mh Grow Light System for Plant with XXL Open Hood Reflector, Grey

    Package Includes One 400-watt Dimmable electronic ballast ,two 400-watt Super HPS bulb and MH bulb, 6-inch Standard Air Cool Hood 1 Pair of Rope Ratchets,24 hours timer. XXL Open Hood Type Reflector Size: 34-1/2L x 29inW x 9inH Lamp compatibility:... more

    $152.00

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    Hydroplanet™ 400w Digital Ballast Dimable HPS Mh Grow Light System for Plant with XL Parabolic Umbrella Reflector

    Hydroplanet™ 400w Digital Ballast Dimable HPS Mh Grow Light System for Plant with XL Parabolic Umbrella Reflector

    Package Includes One 400-watt Dimmable electronic ballast ,two 400-watt Super HPS bulb and MH bulb, 6-inch Standard Air Cool Hood 1 Pair of Rope Ratchets,24 hours timer. 400W Digital Ballast spec: Automatically converts between HPS and MH Lamps Support... more

    $148.00

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    400W watts HPS MH Digital Electronic Dimmable Ballast for Hydroponic Grow Light, 400 Watts

    400W watts HPS MH Digital Electronic Dimmable Ballast for Hydroponic Grow Light, 400 Watts

    Brand New Digital Electronic Dimmable Ballast fits for HPS or MH Grow Light System. Up to 30% more than magnetic ballasts for improved yields. Quick lamp ignition by lighting the bulbs within 1-2mins and stable light output by constant lamp voltage.... more

    $68.95

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    Hydroplanet™ 400w Hydroponic Grow Light Digital Dimmable Ballast HPS Mh for Plants Gull Wing Reflector Hood Set

    Hydroplanet™ 400w Hydroponic Grow Light Digital Dimmable Ballast HPS Mh for Plants Gull Wing Reflector Hood Set

    Package Includes One 600-watt Dimmable electronic ballast ,two 600-watt Super HPS bulb and MH bulb, 6-inch Standard Air Cool Hood 19 Basic Wing Reflectors: Size: 19in x 19in Lamp Compatibility: MH/HPS Socket type: E39 Mogul Base Industry Standard... more

    $112.00

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