Flange available in painted gray (GY), black (BK), ivory (VY), or brushed metal finished in aluminum (AL), and brass (BS) . Slide covers match the painted flange colors, gray, black, and ivory. Aluminum and brass flanges shipped with black slide cover. Brass flange also available with nonmetallic brass colored slide holder (AB). Aluminum flange also available with nonmetallic aluminum colored slide holder (AA). Includes Wiremold Open System unloaded adapters to accept four discrete keystone connectors from most manufacturers. Unit also includes Ortronics TracJack Mounting adapters and Ortronics Series II Communication Housing. Modular jacks sold separately. NOTE: Assembled with scrub water gasket. For use on tile or carpet floors. RC4 Series Poke-Thru Devices require a 4 (102mm) diameter hole. Not designed to work with bare concrete or terrazzo. Floor covering thickness 1/8 minimum. RC4 Aluminum Flange with Aluminum Nonmentallic Cover.