TCP Normal Power Factor (NPF), 23W Electronic Compact Fluorescent Spring Lamps. Available in 2700K, 3500K, 4100K, 5100K, Full Spectrum 5500K 90CRI and 6500K color temperatures. E26 medium base. 10000 Hr. Rated Life. 23W - Replaces 100W Incandescent. Lead free glass. For use in Table/Floor Lamps, Chandeliers, Bare Bulb Fixtures, Recessed Cans, Wall Sconce, Ceiling Fixtures and Outdoor Fixtures.