Single ended 400W MH Grow Light Bulbs are used with the Socket E39 lamp base fixture reflectors.Blue & violet spectrum and high PAR encourage shorter node spacing and bushier plants, this MH 400Watt Grow Bulbs are widely used for Commercial Applications,Home gardening,Greenhouses,made specially for optimizing germination and plant growth,promote vegetative growth,it is an excellent single-light option for both vegetative and flowering stages.NOTE:The jacket of this double ended lamp is made from quartz glass. Do not handle with bare hands. Oil from your hands can damage the lamp.
High Lumen Output: MH SE 400Watt,Color Temperature 6000K,36,000 lumens output, with electronic and magnetic ballast,E39 cap base.
High PAR Enhanced Blue and Violet Spectrum: Universal Usages,Special designed for Hydroponic,Aeroponic,Horticulture Vegetative,Flower,Herbs and Plant growth.Enhanced blue & violet spectrum and high PAR (photosynthetic active radiation) to stimulate vegetative growth.
Extra-low Lumen Depreciation: Maintaining over 90% of initial lumen output after running for 5,000 hours. Ideal for rapid growth phase of plants, greatly accelerates flower growth and enhance fruiting.
Note: Allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again.

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