Two gang nonmetallic carpet flange. For Ortronics connectivity use with 829PFLRT Cover. For Wiremold Open System connectivity use with 829PFL Cover. Accepts Ortronics MAB6TJ TracJack, MAB3S2 Series II and Wiremold CM Series Open System adapters, sold separately. NOTE: Polycarbonate cover plates can only be used with polycarbonate flanges.