SECURALL HDQM18-36X84-1.5-RLH - STEEL DOOR PUSH BAR RHR 36 X 84 IN. - STEEL DOOR QUICK MOUNT LOCK TYPE PUSH BAR RIM EXIT DEVICE WITH LOCKING TRIM FRAME TYPE FULLY WELDED MATERIAL 18 GAUGE STEEL HAND RHR THERMAL INSULATION U-FACTOR NONE DOOR OPENING HEIGHT 84 IN. DOOR OPENING WIDTH 36 IN. WINDOW HEIGHT 34 IN. WINDOW WIDTH 22 IN. THICKNESS 1-3/4 IN. OVERALL DEPTH 2-1/4 IN. AGENCY COMPLIANCE UL LISTED FOR USE WITH PRE-EXISTING DOOR OPENINGS - EQUAL TO 23Y728