TCP Normal Power Factor (NPF), 42W Electronic Compact Fluorescent Spring Lamps. Available in 2700K, 3500K, 4100K, 5100K and 6500K color temperatures with E26 medium base. 10000 Hr. Rated Life. 42W - Replaces 150W Incandescent. Do not use 42W in a totally enclosed glass trim recessed can. Lead free glass. For use in Table/Floor Lamps, Bare Bulb Fixtures, and High Bay Fixtures.