CF42DT/E/IN/841 Compact Fluorescent Light Bulb - Description: DULUX 42W triple compact fluorescent amalgam lamp with 4-pin base, integral EOL, 4100K color temperature, 82 CRI, for use with electronic and dimming ballasts Abbrev. With Packaging Info. CF42DTEIN841 50/CS 1/SKU - Average Rated Life (hr) 12000 - Base GX24Q-4 - Bulb T4 - Color Rendering Index (CRI) 82 - Color Temperature/CCT (K) 4100 - Family Brand Name Dulux