Entrega inmediataEiko 15521 - F15T8/CW Straight T8 Cool White Color Fluorescent Tube Light BulbT8 Bulb Type, 825 lumens Light Output, G13 Base15 watts Energy Used, Cool White Color / Finish7,500 hours Average Lifetime4,100K Color Temperature, 60 CRI, 18" LengthDescription18 inches long, 1 inch diameter. T-8 Bulb, G13 Base. 825 initial Lumens, 725 Mean Lumens, 7500 hours Average Life. 4100 deg K color Temperature "Cool White", 60 CRI. TCLP Compliant, 2.5 mg Mercury Content. One Bulb.