4" DOUBLE WALL TYPE B VENT ADJUSTABLE 90 ELBOW
Details
Elbow Fitting
Item Elbow
Type Adjustable, Double Wall
Size A 4-1/2 Inch
Size B 4 Inch
Angle 90 Degree
Material Thickness 0.012 Inch (Inner Wall), 0.018 Inch (Outer Wall)
Material Aluminum (Inner Wall), G90 Galvanized Steel (Outer Wall)
Applicable Standard UL
Used On Type B Gas Vent System
Item Elbow
Type Adjustable, Double Wall
Size A 4-1/2 Inch
Size B 4 Inch
Angle 90 Degree
Material Thickness 0.012 Inch (Inner Wall), 0.018 Inch (Outer Wall)
Material Aluminum (Inner Wall), G90 Galvanized Steel (Outer Wall)
Applicable Standard UL
Used On Type B Gas Vent System