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Gas Vent Increaser Product #: 16214
5" x 6", 0.012" Aluminum Inner Wall, 0.018" G90 Galvanized Steel Outer Wall, Double Wall, Round, Type B Gas Vent Increaser Learn More
Gas Vent Increaser Product #: 16113
4" x 6", 0.012" Aluminum Inner Wall, 0.018" G90 Galvanized Steel Outer Wall, Double Wall, Round, Type B Gas Vent Increaser Learn More