TWO PACK FML 27 Watt Daylight Fluorescent Bulb 6500K 82 CRI Full Spectrum (NOT FOR VERILUX BRAND LAMPS) INVENTORY BLOW OUT! Two bulbs for less than the retail price of one. First Quality 27 watt full spectrum replacement bulb fits lamps requiring an industry standard four pin FML27W bulb (see exceptions below) Full Spectrum, Day light, Natural light bulb. 6400K Money Back Warranty (see warranty in this listing for details) DOES NOT FIT VERILUX -- Please check the base of your light and compare to image. Compare with America Floor Lamp, Visionmax, etc. Ships From U.S.A.