CF13DD/E/827 Compact Fluorescent Light Bulb - Description: DULUX 13W double compact fluorescent lamp with 4-pin base, integral EOL, 2700K color temperature, 82 CRI, for use with electronic and dimming ballasts, ECOLOGIC Abbrev. With Packaging Info. CF13DDE827 50/CS 1/SKU - Average Rated Life (hr) 12000 - Base G24Q-1 - Bulb T4 - Color Rendering Index (CRI) 82 - Color Temperature/CCT (K) 2700 - Family Brand Name Dulux