FT40DL/850/RS Compact Fluorescent Light Bulb - Description: FT40W/2G11/RS/850 Abbrev. With Packaging Info. FT40DL850RS 10/CS 1/SKU Average Rated Life (hr) 20000 - Base 2G11 - Bulb T5 - Color Rendering Index (CRI) 82 - Color Temperature/CCT (K) 5000 - Diameter (in) .625 - Diameter (mm) 15.875 - Family Brand Name DuluxÌâå L - Industry Standards ANSI C78.901 - 2001 - Initial Lumens at 25C 3150 - Mean Lumens at 25C 2709 - Maximum Overall Length - MOL (in) 22.6 - Maximum Overall Length - MOL (mm) 573 - NEMA Generic Designation (current) FT40W/2G11/RS/850 - Nominal Wattage (W) 40.00 - Manufacturer - Sylvania FT40DL/850/RS Compact Fluorescent Light Bulb Part number ÌâåÐ 20576