Keep your Library of Congress Lamp 2.0 performing at its best with these specially designed Side Socket Replacement Bulbs. Featuring a coated finish and crisp 4000K illumination, each 15W A19 bulb delivers an impressive 1600 lumens with high color accuracy (CRI 90+) for clear, comfortable lighting ideal for reading, writing and detailed tasks. Engineered specifically for use with the Library of Congress Table Lamp 2.0 and Floor Lamp 2.0, these durable replacement bulbs provide reliable performance and exceptional brightness. Buy two or more and save 10%.