UPNOVR, Inc. CAD Details Search using keywords: rectangular metal ducts
U-100 - Aluminum Light Duty Hatch Ladder
U-200 - Aluminum Light Duty Hatch Access
U-201 - Aluminum Heavy Duty Roof Access with Walk-Thru Safety Handrail
U-202 - Aluminum Heavy Duty Parapet Access with Walk-Thru Safety Handrail and Parapet Return
U-203 - Aluminum Heavy Duty Parapet Access with Walk-Thru Safety Handrail, Crossover Platform, and Parapet Return
U-501 - Aluminum Ships Ladder for Handrail Extension for Mezzanine Access with Walk-Thru Safety Handrail
U-502 - Aluminum Ships Ladder for Hatch Access
U-503 - Aluminum Ships Ladder with Crossover Platform and Return
U-504 - Aluminum Ships Ladder with Platform
U-505 - Aluminum Ships Ladder Folding Type with 42" Handrail Extension
U-506 - Aluminum Ships Ladder Folding Type for Hatch Access
U-507 - Aluminum Ships Ladder Counter Weighted Swingdown Type