Westinghouse F15T8/CWX Medium BiPin Linear Fluorescent Light Bulb - Description ÌÎÌ¢Ì´Ì T8 Preheat, Medium BiPin - Kelvin 4100 - CRI 62 - Avg Rated Hours 7500 - Approx. Lumens 850 - Watts 15 - MOL 18 inch Westinghouse F15T8/CWX Medium BiPin Linear Fluorescent Light Bulb