Supplied with 1/2" (12.7mm) screw plug for accessing communication cables. 5 1/2" (140mm) diameter for carpet applications only. Used in conjunction with the 881DIV to complete the dual service 881 PVC Floor Box. NOTE: For carpet or tile installations. All cover plates are furnished with gasket and three screws. The 895P Polycarbonate Series Cover Plates must be field modified for dual service.