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Galaxy Grow-Amp Electronic HID Ballast 250W-400W | 902210

Galaxy Grow-Amp Electronic HID Ballast 250W-400W | 902210

250-400 Watt Switchable Electronic Grow Light Ballast The Galaxy Grow-Amp Electronic HID ballast is a magnificent choice for indoor growers looking...

$181.95  $141.25
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Galaxy Grow-Amp Electronic HID Ballast 400W-1000W | 902220

Galaxy Grow-Amp Electronic HID Ballast 400W-1000W | 902220

Switchable Electronic Grow Light Ballast 400-600-1000 Watts We proudly offer the Galaxy Grow-Amp electronic HID ballast for indoor growers looking...

$337.95  $258.75
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Galaxy Grow-Amp Electronic HID Ballast 400W-1000W 240V | 902225

Galaxy Grow-Amp Electronic HID Ballast 400W-1000W 240V | 902225

240 Volt Electronic Grow Light Ballast 400-600-1000 Watts Galaxy designed the 400-1,000 watt, 240V Grow-Amp electronic HID ballast with indoor...

$321.95  $246.25
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Galaxy Grow-Amp Electronic HID Ballast 400W-600W | 902215

Galaxy Grow-Amp Electronic HID Ballast 400W-600W | 902215

400-600 Watt Switchable Electronic Grow Light Ballast We proudly offer the 400-600 watt model of the highly efficient and reputable line of Galaxy...

$237.95  $196.00
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Sun System Commercial Greenhouse Grow Ballast HPS 400W | 902623

Sun System Commercial Greenhouse Grow Ballast HPS 400W | 902623

400 Watt High Pressure Sodium Green House Industrial Ballast Sun System delivers optimal performance to indoor growers with this highly efficiently...

$206.95  $143.11
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Sun System Commercial Greenhouse Grow Ballast MH 400W | 902626

Sun System Commercial Greenhouse Grow Ballast MH 400W | 902626

400 Watt Metal Halide Green House Industrial Ballast SunSystem proudly offers this 400 Watt MH ballast to growers who are serious about producing the...

$164.95  $141.77
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Universal Lighting Replacement 400W Magnetic MH Ballast | 902110

Universal Lighting Replacement 400W Magnetic MH Ballast | 902110

400 Watt Metal Halide Growth Lamp Replacement Ballast We offer this Universal Lighting, 400 watt ballast to indoor growers who are looking for the...

$86.95  $77.36
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Universal Replacement 400W Magnetic HPS Ballast | 902130

Universal Replacement 400W Magnetic HPS Ballast | 902130

400 Watts Ballast Kit High Pressure Sodium Renewal We proudly offer replacement ballasts (link) to growers who are serious about purchasing a...

$103.95  $102.99
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Sun System 1 | 400 Watt HPS / MH Grow Light Ballast | 901925

Sun System 1 | 400 Watt HPS / MH Grow Light Ballast | 901925

Halide/Sodium SS-1 400W Indoor Remote Ballast This metal halide (

$226.95  $174.70
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Sun System 1 | 400W Metal Halide Grow Light Ballast | 901905

Sun System 1 | 400W Metal Halide Grow Light Ballast | 901905

400 Watt SS-1 MH Horticulture Remote Magnetic Transformer This 400 Watt metal halide (link) horticulture remote magnetic transformer easily switches...

$201.95  $157.77
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Sun System 10 Crop Master | 400W HPS / MH Grow Ballast | 902055

Sun System 10 Crop Master | 400W HPS / MH Grow Ballast | 902055

This quality remote HID ballast can be used for either high pressure sodium (HPS) or metal halide (MH) lamps. Its exclusive power slider can switch...

$159.95  $139.97
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Sun System 10 Crop Master | 400W HPS Grow Light Ballast | 902040

Sun System 10 Crop Master | 400W HPS Grow Light Ballast | 902040

This 400 Watt Sun System 10 HID ballast allows the user to power high pressure sodium (HPS) lamps with ease. The multi-volt ballast is compatible...

$146.95  $124.62
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Sun System 10 Crop Master | 400W MH Grow Light Ballast | 902030

Sun System 10 Crop Master | 400W MH Grow Light Ballast | 902030

The imported and economical Crop Master light growing ballast is made of die cast aluminum housing with a white powder coat finish. The special...

$179.95  $159.99
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Sun System Harvest Pro | 400W HPS / MH Grow Ballast | 902444

Sun System Harvest Pro | 400W HPS / MH Grow Ballast | 902444

400 Watt Swbl Metal Halide / High Pressure Sodium Ballasts The Harvest Pro ballast easily switches between powering high pressure sodium (HPS) and...

$164.95  $146.17
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Sun System Harvest Pro | 400W HPS / MH Grow Ballast | 902444

Sun System Harvest Pro | 400W HPS / MH Grow Ballast | 902444

400 Watt Swbl Metal Halide / High Pressure Sodium Ballasts The Harvest Pro ballast easily switches between powering high pressure sodium (HPS) and...

$164.95  $146.17
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Sun System Harvest Pro | 400W HPS Grow Light Ballast | 902432

Sun System Harvest Pro | 400W HPS Grow Light Ballast | 902432

400 W SunSystem High Pressure Sodium Indoor Growing Ballasts The 400 Watt Sun System Harvest Pro high pressure sodium (HPS) growing lamp ballast is...

$147.95  $126.15
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Sun System Harvest Pro | 400W MH Grow Light Ballast | 902431

Sun System Harvest Pro | 400W MH Grow Light Ballast | 902431

Sunsystem Metal Halide 400 Watt Plant Light Growing Ballasts This Sun System Harvest Pro 400 Watt ballast is ideal for your indoor growing needs. The...

$119.95  $106.95
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Sun System Harvest Pro Elite | 400W HPS Grow Ballast | 902610

Sun System Harvest Pro Elite | 400W HPS Grow Ballast | 902610

400 Watt High Pressure Sodium Remote Indoor Grow Ballasts The Sun System Harvest Pro Elite 400-watt high pressure sodium (HPS) indoor ballast...

$166.95  $143.97
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Sun System Harvest Pro Elite | 400W HPS/MH Grow Ballast | 902433

Sun System Harvest Pro Elite | 400W HPS/MH Grow Ballast | 902433

400 Watt Remote Sodium / Metal Halide Growing Ballasts The Harvest Pro Elite 400-Watt high pressure sodium (HPS) and metal halide (MH) ballast is...

$184.95  $171.97
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Sun System Harvest Pro Elite | 400W MH Grow Ballast | 902615

Sun System Harvest Pro Elite | 400W MH Grow Ballast | 902615

SunSystem HarvestPro Metal Halide 400 Watt Indoor Ballasts This Sun System Harvest Pro Elite metal halide (MH) indoor horticulture ballast easily...

$134.95  $121.97
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Galaxy Electronic Ballast | 400W HPS/MH Grow Light | 902480

Galaxy Electronic Ballast | 400W HPS/MH Grow Light | 902480

This digital Galaxy Electronic high pressure sodium (HPS) and metal halide (MH) ballast drives your growing lamp to peak performance. The 99.9% power...

$181.95  $136.92
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Galaxy Select-A-Watt | 250-400W HID Grow Light Ballast | 902483

Galaxy Select-A-Watt | 250-400W HID Grow Light Ballast | 902483

Metal Halide / High Pressure Sodium Remote Indoor Grow Transformer 250-400 Watt Galaxy designed this highly innovative and cost-effective HID grow...

$172.95  $139.87
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Galaxy Select-A-Watt | 400-1000W HID Grow Light Ballast | 902518

Galaxy Select-A-Watt | 400-1000W HID Grow Light Ballast | 902518

MH or HPS Remote Indoor Adjustable Electronic Ballasts This Galaxy Grow Light Ballast gives you the flexibility to select your wattage. Lamps are...

$359.95  $333.00
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Galaxy Select-A-Watt | 400-600W HID Grow Light Ballast | 902517

Galaxy Select-A-Watt | 400-600W HID Grow Light Ballast | 902517

MH or HPS Adjustable Remote Electronic Ballasts Serious indoor horticulturists need an advanced ballast that provides maximum performance and...

$237.95  $208.97
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If you are looking for the right ballast to provide proper and constant output of wattage to your grow light systems, look no further. Constant wattage output and peak performance is just the beginning when it comes our highly efficient and inexpensive 400 watt ballasts.

We offer top quality metal halide (MH) (link), and high pressure sodium (HPS) (link) capable 400 watt ballast. They are designed to maximize performance, and promote ultimate plant growth and yield. Rest assured that you will have the most innovative technology for grow light systems in your own home. These efficient and inexpensive power work horses are built to last.

We provide ballasts manufactured by innovative leaders in the industry including Lumatek and Galaxy, Universal Lighting Technologies and Sun System. Whether you have a hydroponic system (link), aeroponic system or the traditional pots and soil (geoponics) system, you will find the perfect ballast to provide constant wattage output and peak performance.

Fully loaded with an array of performance, protection and multiple wattage features, our 400 watt ballasts will provide and noticeable change in your indoor garden's efficiency and yield.

If you have any questions regarding our inexpensive 400 Watt ballasts, contact our customer service center and we will address any questions or concerns you may have. Call toll free to 888.606.2149.