Spectrum: 2700K (red) These CFL grow light bulbs can be used in a variety of gardening situations, indoors as a veg bulb (blue), or a flower bulb (red). The innovative part about our bulbs is our internal ballast technology and its unique construction is ideal for humid conditions. Because it requires no external ballast you can simply plug it in to any ordinary household outlet. . . as your main source of lighting, or to help brighten up a dark corner. All of our CFL grow light bulbs come with a 6 month warranty and have been approved for any gardening situation, guaranteed. Lamp Technical Info E40 Base (Will not fit in a standard household socket) Proven success in high humidity. Self-ballasted--no other ballast needed for operation. Designed for horticulture. Full Spectrum. cETL certified. 2700K red 250W 10,200 lumens
