WATTAGE: 32 Watts COLOR TEMPERATURE: 5000K (Bright White) LIGHT OUTPUT: 2800 Lumens LIFETIME: 13,000 Hours SIZE/BASE: 48IN T8 - G13 Medium Base T8 Fluorescent Light Bulb - 48 Inch F32T8/850 - G13 Medium Base - Luxrite T8 Fluorescent Bulb uses 75% less energy then equivalent incandescent lamps. It has a long life of 13,000 Hours and it works with all G13 medium bi-pin sockets. Similar replacement to Triangle Bulbs F32T8/SP50, Philips F32T8/TL750/ALTO, Philips F32T8/TL850/ALTO.