3 1/4" (85mm) diameter

A rough opening that measures 11-3/8 inches in width by 15-5/8 inches in height by 4 inches in depth is required for installation

One piece roll formed stainless steel frame with corners welded

which is fully welded to the rest of the unit

Notrax Indoor Entrance Mat, 20 ft L, 6 ft W, 3/8 in Thick, Rectangle, Gray - 141S0620GY Automatic Soap Dispensers 3 1/4" (85mm) diameterEntrance Mat; Mat Color: Gray; Mat Width: 6 ft; Mat Length: 20 ft; Mat Shape: Rectangle; Mat Environment: Indoor; Mat Surface Pattern: Tufted; Mat Weaving: Loop Pile; Mat Surface Material: Polypropylene; Mat Backing Material: Vinyl; Mat Thickness: 3 8 in; Edges: Beveled; Legend: No Legend; Antimicrobial: No; Oil Resistant: No; Flame Resistant Fire Retardant: Not Flame Resistant or Fire Retardant; Mat Electrical Resistance: Electrical Properties Not