For rectangular or round duct, these doors are provided insulated or uninsulated. For high temperature applications, duct cleaning, or viewing ultraviolet lights in air handling units - these doors are extremely versatile.

• Sandwich® Access Door - Rectangular Duct
• Sandwich® Access Door - Round Duct
• Sandwich® Access Door - Observation
• Sandwich® Access Door - Double-Paned Observation
• Sandwich® Access Door - Clean-Out
• Sandwich® Access Door - Circular Clean-Out
• F1 Hi-Temp Sandwich® Access Door
• F2 Grease Duct Sandwich® Access Door

• High Pressure Cammed Square Framed Access Doors
• Square Framed Access Doors - Hinge & Cam
• Square Framed Door - Cam Latch

These 11 gauge UL 1978 Listed doors are grease and air tight. The sandwich design for rectangular or round grease pipe makes for an easy install. The Weld-On door for rectangular duct has the option of a hinge.

• ULtimate Door™
• ULtimate Door™ II
• ULtimate Door™ Round