FeaturesHinged doors open 180 deg flush to the carpet flange or tileScrews allow each door to be secured independentlyUniversal carpet or tile flange can be used for Hubbell SystemOne™ metal and non-metallic floor box as well as SystemOne™ fire rated poke throughCarpet flange features raised hinged door supportsOver molded access doors prevent dirt and debris from entering power and communication compartmentsCompatible with S1PFB, S1SFB, S1SFBCR, S1SFBAV, S1SFBAVCR, S1CFB, S1PTFIT, S1PT4X4FIT and S1PTAVFIT poke through fitting8 in Dia flange4 in core hole in concrete floor mount