All communication floor boxes accept up to four UTP connectors. Flush poke-thru-style flanges available. Slide covers match painted flange colors. Aluminum and brass flanges shipped with black slide cover. Brass flange also available with nonmetallic brass-color slide holder. Die-cast aluminum construction with three 1/2'' trade size knockouts: two on the sides and one on the bottom. 18 cu. in. (295 cu. cm.) capacity. Requires a 4'' (102mm) diameter hole and overall floor depth of 1'' (25mm). Includes two (2) Ortronics TracJack inserts, two (2) Ortronics Series II adapters and two Wiremold Open System adapters. Assembled with scrub water gasket. For use on tile, wood, or carpet floors. Modular jacks sold separately.