iPower GLBULBM400X4 400W Grow Light Bulb Metal Halide MH Conversion Lamp for Plants with High PAR Enhanced Blue and Violet, 4-Pack
- High lumen output: 400-watt, 36,000 lumens output, compatible with electronic and magnetic ballast, E39 base. Color temp 6000K, special designed for plant growth
- Enhanced blue & violet spectrum and high PAR (photosynthetic active radiation) to stimulate vegetative growth. Ideal for rapid growth phase of plants. Greatly accelerates flower growth and enhance fruiting
- Exceptional bulb life: 12, 000 hours. Long lasting life with a high lumen output and low energy consumption
- Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 5, 000 hours
- Startup time: allow 3-5 minutes for full bright. Please wait at least 5 minutes after power shut off before striking again
- Power source type: Corded Electric
iPower 400W MH Grow Light BulbSocket E39, this single ended MH bulbs must use E39 lamp base fixtures.Special designed for plant growth, CCT: 6000K, enhanced blue & violet spectrum and high PAR (photosynthetic active radiation) to stimulate vegetative growth. Ideal for rapid growth phase of plants. High lumen output and high power efficiency. 55, 000 Lumens output, compatible with electronic and magnetic ballast.Produces light by an electric arc through the vaporized mercury and metal halides, a mix of metals and halogens.The filament generates a wider spectrum of wavelengths of light, produces more short-wavelength light and has strong light penetration.
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