Lithonia Lighting Fluorescent Round 4 lamp, 4 feet, MultiVolt Wraparound Light, 32W T8 Energy efficient fluorescent technology Clear, prismatic lens has a wraparound design that maximizes light output Durable Steel construction with a white finish For use with non-dimmable Switches only For use with four 32-Watt, instant-start octron T8 Medium Bi-Pin bulbs (not included)