Specification - MI-FVP - Flush Valve Panel Material - MI-FVP Series is 16 gauge satincoat steel door and 16 gauge satincoat steel frame. The MI-FVP-SS stainless steel Series is 16 gauge #304 stainless steel door and frame. Finish - Steel doors have a primed white finish. Stainless steel doors have a #4 brush satin finish. Door - Has a 1-1/2" (38) diameter hole in the center of the panel for the flush valve pushbutton. Optional - solid door with no hole in the middle - Suffix "NH". Frame - One piece construction. The frame has pre-punched 3/16" (4) mounting holes for easy installation. Latch - Four 1/4" (6) - 20 x 1" (25) tamper resistant stainless steel torx screws. Packaging - One door per carton.