Description: DULUX 13W single compact fluorescent lamp with 2-pin base, 3500K color temperature, 82 CRI, ECOLOGIC Abbrev. With Packaging Info. CF13DS835 50/CS 1/SKU Average Rated Life (hr) 10000 Base GX23 Bulb T4 Color Rendering Index (CRI) 82 Color Temperature/CCT (K) 3500 Family Brand Name DuluxÌâå S Industry Standards ANSI C78.901 - 2001, IEC 60901- 0013 Initial Lumens at 25C 800 Mean Lumens at 25C 688 Maximum Overall Length - MOL (in) 7.1 Maximum Overall Length - MOL (mm) 180 NEMA Generic Designation (current) CFT13W/GX23/835 Nominal Wattage (W) 13.00