Description: DULUX 57W triple compact fluorescent amalgam lamp with 4-pin base, 2700K color temperature, 82 CRI, for use with electronic and dimming ballasts Abbrev. With Packaging Info. CF57DTEIN827 50/CS 1/SKU Average Rated Life (hr) 12000 Base GX24Q-5 Bulb T4 Color Rendering Index (CRI) 82 Color Temperature/CCT (K) 2700 Family Brand Name DuluxÌâå T/E Initial Lumens at 25C 4300 Mean Lumens at 25C 3698 Maximum Overall Length - MOL (in) 7.76 Maximum Overall Length - MOL (mm) 197 NEMA Generic Designation (current) CFTR57W/GX24Q/827 NEMA Generic Designation (old) CFM57W/GX24Q/827 Nominal Wattage (W) 57.00