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20 inch

$567.85
DuraVent 20"x22" BV Round Type B Gas Vent Increaser - SKU: 20BVX22 BVENT Almost never undersold. If you find a better price e-mail us their quote and...

$656.09
DuraVent 20"x24" BV Round Type B Gas Vent Increaser - SKU: 20BVX24 BVENT Almost never undersold. If you find a better price e-mail us their quote and...

$811.93
DuraVent 20"x26" BV Round Type B Gas Vent Increaser - SKU: 20BVX26 BVENT Almost never undersold. If you find a better price e-mail us their quote and...

$1,002.23
DuraVent 20"x28" BV Round Type B Gas Vent Increaser - SKU: 20BVX28 BVENT Almost never undersold. If you find a better price e-mail us their quote and...

$1,554.97
DuraVent 20" BV Round Type B Gas Vent Universal Cap - SKU: 20BVVT BVENT Almost never undersold. If you find a better price e-mail us their quote and...

$44.67
Metal-Fab Corr/Guard 20" Diameter Vee (Inner Flue-Flange) Band - 430 Stainless Steel - SKU: 20FCSIFB-CA0 Almost never undersold. If you find a better...
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$77.25
Metal-Fab Corr/Guard 20" Diameter Outer Casing Band - Aluminized Steel - 1" Space Between Flue and Casing - SKU: 20FCSOCB-CA0 Almost never undersold. If...
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$93.48
Metal-Fab Corr/Guard 20" Diameter Outer Casing Band - 430 Stainless Steel - 1" Space Between Flue and Casing - SKU: 20FCSOCB-C30 Almost never undersold....
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$110.12
Metal-Fab Corr/Guard 20" Diameter Outer Casing Band - 304 Stainless Steel - 1" Space Between Flue and Casing - SKU: 20FCSOCB-C40 Almost never undersold....
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$127.48
Metal-Fab Corr/Guard 20" Diameter Outer Casing Band - 316 Stainless Steel - 1" Space Between Flue and Casing - SKU: 20FCSOCB-C60 Almost never undersold....
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$1,874.70
Metal-Fab Corr/Guard 20" Diameter Cap with Bird Screen (AZ/Insulated) - 20FCSCB-CA1 Almost never undersold. If you find a better price e-mail us their...
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$2,525.59
Metal-Fab Corr/Guard 20" Diameter Cap with Bird Screen (316SS/Insulated) - 20FCSCB-C61 Almost never undersold. If you find a better price e-mail us...
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