Round Fan Box, Series 500, 700, Material of Construction Steel, Number of Channels 2, Box Type Round, Cover Closure Screw On, Knockouts (4) 1/2 in Trade Size, Color Ivory, Height (In.) 5 1/2 in, Length (In.) 5 1/2 in, Width (In.) 5.5 Dia., For Use With 500 Raceways, 700 Raceways, Features Fan Rated, Fittings Have Removable Covers, Low Profile, Scuffcoat Finish