3RRA 3"DBLWALL FEMALE ADAPTOR 3BVFA

Gas Vent Adapter
Size 3 Inch
Length 6 Inch
Material Thickness 0.012 Inch (Inner), 0.018 Inch (Outer)
Material Aluminum (Inner), G90 Galvanized Steel (Outer)
Locking Connection Type Female
Applicable Standard UL 441
Used On Type B Gas Vent