Description: DULUX 9W double compact fluorescent lamp with 2-pin base, 3500K color temperature, 82 CRI, ECOLOGIC Abbrev. With Packaging Info. CF9DD835 50/CS 1/SKU Average Rated Life (hr) 10000 Base G23-2 Bulb T4 Color Rendering Index (CRI) 82 Color Temperature/CCT (K) 3500 Family Brand Name DuluxÌâå D Industry Standards ANSI C78.901 - 2001 Initial Lumens at 25C 525 Mean Lumens at 25C 452 Maximum Overall Length - MOL (in) 4.3 Maximum Overall Length - MOL (mm) 110 NEMA Generic Designation (current) CFQ9W/G23/835 Nominal Wattage (W) 9.00