Circline FC16T9 Fluorescent Bulb, 40 Watt, 16", 6500K Daylight.
40 Watt Circline Fluorescent Bulbs require a special fixture. Send email to sales@naturallighting.com for more information. Excellent dayllight bulb for plant lighting. Not recommended for color matching because of high color temperature (blue white, and low CRI (Color Rendering Index), Sunlight equals 100 CRI, Daylight equals 82 CRI.
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