• VIVOSUN 600 Watt Metal Halide MH Conversion Grow Light Bulb Lamp - Enhanced Blue and Violet Spectrums CCT 4200K, 60,000 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 use.

    • Color: 600W
    • Brand: VIVOSUN
    • ASIN: B071DVVZYS
    • UPC: 615435161099

  • Ushio US5001673 Conversion Lamp, 1000-watt, Opti Blue

    400, 600 & 1000W Super high output MH with maximized output in both blue & red spectral range. Outperforms standard MH bulbs. Conversion bulb to operate on ANSI coded HPS ballast. Optimized for maximized branching & vegetative growth & added red spectrum for flowering efficiency.

    • Brand: Ushio
    • ASIN: B00286OLCM
    • UPC: 048777485477

  • MH Conversion - HPS to MH - BT37 Bulb - 1000W

    About Hydrofarm, Inc. Celebrated as the nation's oldest and largest manufacturer of hydroponic equipment and grow lights, Hydrofarm has made professional-grade equipment available to all since 1977. All grow lights and electric components are UL listed, unlike many competitor products, meaning you get years of reliable and safe use out your high-intensity lights. All products are covered by a one year warranty, at the least. In some cases Hydrofarm ensures the performance of their products for five years. Mogul E39 base type bulb. BT37 shaped bulb. Initial Lumens: 110,000. Universal bulb orientation. Average rated life of 12,000 hours. Measures 4.8L x 4.9W x 12.2H in.. 1000W.

    • Brand: SunMaster
    • ASIN: B00MVBCGAI
    • UPC: 090444801509

  • Plantmax Bulb 1000W MH Conversion 7200K

    Plantmax conversion series lamps allow you to use the same fixture/ballast for different stages of plant growth. From the vegetative to the flowering stages, Plantmax conversion series have it all.

    • Brand: Plantmax
    • ASIN: B00598IAFA
    • UPC: 752686296108

  • Metal Ace Conversion (HPS to MH) Bulb, 1000W

    HORTILUX Metal Ace (converts HPS to metal halide) conversion lamps are metal halide lamps that operate on high pressure sodium systems. A one-dimensional lighting system is easily and economically converted into a complete (metal halide / HPS) growing system, providing the full range of spectral energy required for all stages of plant growth and development. These lamps are 100% lead-free. Hortilux Metal Ace Conversion (HPS to Metal Halide) Lamp, 1000W

    • Brand: Eye Hortilux
    • ASIN: B00BS0T5GQ
    • UPC: 639125516150

  • Ushio Bulb, HPS/MH 1000W Conversion

    USHIO's HiLUX GRO is a new line of grow lamps that promote enhanced vegetative growth and flowering. The lamps are made to assure consistency in quality and optimized for high performance. The bulbs are made in Germany by an ISO 9001 certified facility.FeaturesSuper high output lamp technologyOptimized spectrum, distribution pattern, lumen output, and irradianceReliable operation throughout the growth cycleHighest quality and consistent performanceEngineered in an ISO 9001 certified facility

    • Brand: Ushio
    • ASIN: B0094J6KDO

  • Metal Ace Conversion (HPS to MH) Bulb, 1000W

    HORTILUX Metal Ace (converts HPS to metal halide) conversion lamps are metal halide lamps that operate on high pressure sodium systems. A one-dimensional lighting system is easily and economically converted into a complete (metal halide / HPS) growing system, providing the full range of spectral energy required for all stages of plant growth and development. These lamps are 100% lead-free.  

    • Brand: Eye Hortilux
    • ASIN: B01M0QNZRC
    • UPC: 639125516150

  • SunMaster 80150 - 1000 Watt Neutral Deluxe MH Conversion Grow Light Bulb - 4000K

    From the manufacturer:SUNMASTER Neutral Deluxe Grow Lamps emit balanced light similar to a 4000° Kelvin source, imitating the natural white look of sunlight. They are ideal single lamp sources for practically all phases of plant growth.SUNMASTER Neutral Deluxe Metal Halide Lamps are effective in promoting both vegetative growth and flowering. They surpass many other HID sources in PAR watts - the most objective measurement of total light energy available for photosynthesis.

    • Brand: SunMaster
    • ASIN: B076PPXNSJ

  • Sunmaster MH Conversion (HPS to MH) BT37 Bulb, 1000W

    Lamp Description: M.1000W.U37.NDX

    • Brand: SunMaster
    • ASIN: B074RHXPXS