Designers Edge L765 65-Watt Fluorescent Bulb Replacement, Equivalent to 300 Watt Incandescent, Style 4U, Mogul Base Non-Integrated CFL- Requires ballasted fixture 65-Watt lamp is equivalent to 300 watts incandescent, for energy savings 4U style lamp with Mog UL socket base Produces 3800-lumens, 6300K daylight color temperature rating Fits Designers Edge light fixture models, L1755, L1756, L1767 Non-Integrated CFL- Requires ballasted fixture 4U style lamp with Mog UL socket base Produces 3800-lumens, 6300K daylight color temperature rating Fits Designers Edge light fixture models, L1755, L1756, L1767