CF9DS/E/841 Compact Fluorescent Light Bulb - Description: DULUX 9W single compact fluorescent lamp with 4-pin base, 4100K color temperature, 82 CRI, for use with electronic and dimming ballasts Abbrev. With Packaging Info. CF9DSE841 50/CS 1/SKU - Average Rated Life (hr) 10000 - Base 2G7 - Bulb T4 - Color Rendering Index (CRI) 82 - Color Temperature/CCT (K) 4100 - Family Brand Name DuluxÌâå S/E - Industry Standards IEC 60901- 2009 - Initial Lumens at 25C 580 - Mean Lumens at 25C 499 - Maximum Overall Length - MOL (in) 5.7 - Maximum Overall Length - MOL (mm) 145 - NEMA Generic Designation (current) CFT9W/2G7/841 - Nominal Wattage (W) 9.00 - Manufacturer - Sylvania CF9DS/E/841 Compact Fluorescent Light Bulb Part number - 20317