Case of 4 full spectrum light bulbs that create daylight balanced lighting are energy star compliant and have a long life of cir. 10000 hours with 4250 Lumens output; low energy consumption used in light therapy for treating S.A.D. (Seasonal Affective Disorder) for photo studio lights or for starting plant growth. These are Compact Fluorescent Light (CFL) bulbs. Fits all medium-base E27/E26 sockets. Dimensions: L: 10.5"; W (Diameter): 3.9"; Length socket base to top of ballast: 4.5"; W (diameter) of socket: 1".
- CFL bulb has natural daylight balanced color temperature of 5500K
- Ideal for treatment of S.A.D. - Winter Blues
- This is a large bulb that might not fit standard household lamps - see diagram above
- Long bulb life appr. 10000 hrs.
- Energy Star compliant
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