Westinghouse 40 W T9 16 in. L Fluorescent Bulb Cool White Tubular 4100 K 1 pk

Circular Fluorescent light bulbs operate on programmed rapid start systems. These circular tubes will provide the same amount of light as an incandescent bulb while using 3 to 4 times less energy. Their compact size enables them to be used in applications where space is limited and provides a consistent, even light appearance in fixtures.To help you find the right bulb for the right application, see Westinghouse’s full offering of Circular Fluorescent light bulbs available in a variety of wattages and diameters. Circular fluorescent bulbs are perfect for use in table-top magnifying lamps, table lamps, floor lamps and ceiling fixtures, as well as, some ceiling fans where applicable. These light bulbs contain mercury.