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Greners.com
Hydroponic Supplies

400 Watt Grow Lights

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    SolisTek High Pressure Sodium (HPS) Digital Lamp - 400W

    Digital lighting makes for a higher quality of light that?s good for all living things...

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    SolisTek Metal Halide (MH) Digital Lamps 4K - 400w

    Featuring Low Iron (Low-Iron) glass for enhanced UVA and UVB penetration to your plants for higher quality and yield

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    SolisTek Metal Halide (MH) Digital Lamps 6K - 400W

    Featuring Low Iron (Low-E) glass for enhanced UVA and UVB penetration to your plants for higher quality and yield!

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    Hortilux Super HPS EN Lamp - 400W

    Environmentally friendly, with no lead and 80% less mercury than standard High Pressure Sodium lamps. Provides 25% more energy in the violet, blue and green spectra than standard HPS lamps. 55000 initial lumens. Rated for 24000 hours.

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    Digilux 400W HPS Grow Light

    Digilux bulbs are engineered for use in digital ballasts and feature enhanced red and orange spectrums (HPS) blue spectrums (MH), better color uniformity, longer bulb life, and less lumen depreciation

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    Digilux 400W MH Grow Light

    Digilux bulbs are engineered for use in digital ballasts and feature enhanced red and orange spectrums (HPS) blue spectrums (MH), better color uniformity, longer bulb life, and less lumen depreciation

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    Ultra Sun 400W Digital HPS Grow Light

    The New Ultra Sun Digital lamps are here! These high-output horticultural lamps have been specifically designed for use with electronic ballasts.

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    Hortilux Blue Daylight Metal Halide Bulb 400W

    400W Hortilux Blue (Daylight) Super Metal Halide Bulb was designed to provide a fully balanced light spectrum that replicates natural sunlight. Hortizonal.

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    Ushio HiLUX GRO Super HPS Bulb 400W

    SUPER High Pressure Sodium with Optimized RED and BLUE Spectrum. Super HPS Bulb ? 400W.

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    Ushio HiLUX GRO Super Metal Halide Conversion Bulb 400W

    SUPER Metal Halide with Optimized BLUE and RED Spectrum. Ushio "HiLUX GRO" 400W metal conversion halide bulb. HPS to MH.

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    SolarMax Super High Pressure Sodium 400W

    High quality and optimized performance SolarMax lamps. Flowering. HPS 400W.

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    SolarMax Metal Halide Vegetating 400W

    Metal halide Veg Lamp 400W. Runs on a MH ballast.

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    Agrosun Gold Metal Halide Bulb 400W (Horizontal High Output)

    400W Agrosun Gold Halide Horizontal H/O makes plants grow their best by using spectrally enhanced halides.

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    Lumatek High Par Digital HPS 400W Lamp

    Designed by the world?s leading HID lamp engineers, these lamps provide exceptional performance on both magnetic and electronic ballasts.

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    Sunmaster "Cool Deluxe" MH 400W Bulb

    Universal Cool deluxe M.400W.U37.CDX

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    Sunmaster "Warm Deluxe" MH 400W Bulb

    Horizontal warm Deluxe SM.400W.H37.WDX

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    Global Greenhouse Lighting Bulb 400W HPS

    Global Greenhouse Lighting Bulb 400W HPS.

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    Ultra Sun 400W HPS Grow Light

    400W Ultra Sun HPS Grow Light

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    Sun Pulse 400W MH 10K - Pulse Start

    Designed with true solar symmetry for true photochemical reactions in living organisms, greater molecular efficiency in operations, and better color rendering. Sun Pulse lamps are made with the highest quality and quality control.

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    Sun Pulse 400W MH 6.4K - Pulse Start

    Designed with true solar symmetry for true photochemical reactions in living organisms, greater molecular efficiency in operations, and better color rendering. Sun Pulse lamps are made with the highest quality and quality control.

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    Hortilux Metal Ace Conversion (HPS to MH) Bulb 400W

    400W Hortilux Metal Ace Conversion (HPS to Metal Halide) Bulb provides the full range of spectral energy required for all stages of plant growth.

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    Hortilux Metal Halide Bulb 400W (Horizontal)

    400W Hortilux Metal Halide Horizontal provides optimum spectral energy required for vegetative growth.

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    Philips 400w Ceramic MH Conversion Lamp

    The Philips Master Color Ceramic Metal Halide lamps are optimized for operation on High Pressure Sodium (HPS) ballasts. The ceramic discharge arc tube is more robust than the traditional quartz arc tube maintaining superior lumens with a crisp, bright, white light. These lamps are rated for open fixture use and with no shut off required, they are ideal for 24/7 operation. Simply replace the lamp at or before the end of its rated life.