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18 inch

$426.62
DuraVent 18" BV Round Type B Gas Vent Tall Cone Flat Flashing - SKU: 18BVFF BVENT Almost never undersold. If you find a better price e-mail us their...

$512.66
DuraVent 18"x20" BV Round Type B Gas Vent Increaser - SKU: 18BVX20 BVENT Almost never undersold. If you find a better price e-mail us their quote and...

$584.33
DuraVent 18"x22" BV Round Type B Gas Vent Increaser - SKU: 18BVX22 BVENT Almost never undersold. If you find a better price e-mail us their quote and...

$656.09
DuraVent 18"x24" BV Round Type B Gas Vent Increaser - SKU: 18BVX24 BVENT Almost never undersold. If you find a better price e-mail us their quote and...

$811.93
DuraVent 18"x26" BV Round Type B Gas Vent Increaser - SKU: 18BVX26 BVENT Almost never undersold. If you find a better price e-mail us their quote and...

$1,059.66
DuraVent 18" BV Round Type B Gas Vent High Wind Cap - SKU: 18BVVT BVENT Almost never undersold. If you find a better price e-mail us their quote and...

$44.16
Metal-Fab Corr/Guard 18" Diameter Vee (Inner Flue-Flange) Band - 430 Stainless Steel - SKU: 18FCSIFB-CA0 Almost never undersold. If you find a better...
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$73.18
Metal-Fab Corr/Guard 18" Diameter Outer Casing Band - Aluminized Steel - 1" Space Between Flue and Casing - SKU: 18FCSOCB-CA0 Almost never undersold. If...
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$87.96
Metal-Fab Corr/Guard 18" Diameter Outer Casing Band - 430 Stainless Steel - 1" Space Between Flue and Casing - SKU: 18FCSOCB-C30 Almost never undersold....
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$103.12
Metal-Fab Corr/Guard 18" Diameter Outer Casing Band - 304 Stainless Steel - 1" Space Between Flue and Casing - SKU: 18FCSOCB-C40 Almost never undersold....
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$118.94
Metal-Fab Corr/Guard 18" Diameter Outer Casing Band - 316 Stainless Steel - 1" Space Between Flue and Casing - SKU: 18FCSOCB-C60 Almost never undersold....
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$1,177.29
Metal-Fab Corr/Guard 18" Diameter Cap with Bird Screen (AZ/Insulated) - 18FCSCB-CA1 Almost never undersold. If you find a better price e-mail us their...
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