Product filters

Manufacturer

20 inch

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

No Stock Currently Available or Discontinued
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

$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...
+

$45.74
Metal-Fab Corr/Guard 20" Diameter Half Angle Ring - Single Wall - 20FCGSWHAR Corrosion protected and pressure rated Corr/Guard has been a field tested...
+

$50.39
Metal-Fab Corr/Guard 20" Diameter Half Angle Ring - Double Wall AL294C/AZ - 20FCGHAR-CA0 Corrosion protected and pressure rated Corr/Guard has been a...
+

$57.41
Metal-Fab Corr/Guard 20" Diameter Half Angle Ring (AZ/Insulated) - 20FCSHAR-CA1 Almost never undersold. If you find a better price e-mail us their quote...
+

$58.50
Metal-Fab Corr/Guard 20" Diameter Half Angle Ring - Double Wall AL294C/316SS - 20FCGHAR-C60 Corrosion protected and pressure rated Corr/Guard has been a...
+

$58.50
Metal-Fab Corr/Guard 20" Diameter Half Angle Ring - Double Wall AL294C/304SS - 20FCGHAR-C40 Corrosion protected and pressure rated Corr/Guard has been a...
+

$58.50
Metal-Fab Corr/Guard 20" Diameter Half Angle Ring - Double Wall AL294C/430SS - 20FCGHAR-C30 Corrosion protected and pressure rated Corr/Guard has been a...
+

$64.72
Metal-Fab Corr/Guard 20" Diameter Half Angle Ring (304SS/Insulated) - 20FCSHAR-C41 Almost never undersold. If you find a better price e-mail us their...
+

$64.72
Metal-Fab Corr/Guard 20" Diameter Half Angle Ring (430SS/Insulated) - 20FCSHAR-C31 Almost never undersold. If you find a better price e-mail us their...
+

$64.72
Metal-Fab Corr/Guard 20" Diameter Half Angle Ring (316SS/Insulated) - 20FCSHAR-C61 Almost never undersold. If you find a better price e-mail us their...
+

$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...
+

$79.54
Metal-Fab Corr/Guard 20" Diameter Guy Ring - Single Wall - 20FCGSWGR Corrosion protected and pressure rated Corr/Guard has been a field tested success for...
+

$87.47
Metal-Fab Corr/Guard 20" Diameter Guy Ring - Double Wall AL294C/AZ - 20FCGGR-CA0 Corrosion protected and pressure rated Corr/Guard has been a field tested...
+

$89.77
Metal-Fab Corr/Guard 20" Diameter Guy Ring - Double Wall AL294C/430SS - 20FCGGR-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$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....
+

$98.79
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

$99.65
Metal-Fab Corr/Guard 20" Diameter Guy Ring (AZ/Insulated) - 20FCSGR-CA1 Almost never undersold. If you find a better price e-mail us their quote and...
+

$102.28
Metal-Fab Corr/Guard 20" Diameter Guy Ring (430SS/Insulated) - 20FCSGR-C31 Almost never undersold. If you find a better price e-mail us their quote and...
+

$104.40
Metal-Fab Corr/Guard 20" Diameter Guy Ring - Double Wall AL294C/304SS - 20FCGGR-C40 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$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....
+

$117.70
Metal-Fab Corr/Guard 20" Diameter Guy Ring - Double Wall AL294C/316SS - 20FCGGR-C60 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$118.99
Metal-Fab Corr/Guard 20" Diameter Guy Ring (304SS/Insulated) - 20FCSGR-C41 Almost never undersold. If you find a better price e-mail us their quote and...
+

$119.56
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

$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....
+

$134.13
Metal-Fab Corr/Guard 20" Diameter Guy Ring (316SS/Insulated) - 20FCSGR-C61 Almost never undersold. If you find a better price e-mail us their quote and...
+

$138.48
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

$147.26
DuraVent 20" BV Round Type B Gas Vent Adjustable Storm Collar - SKU: 20BVSC BVENT Almost never undersold. If you find a better price e-mail us their...

$161.63
Metal-Fab Corr/Guard 20" Diameter Fire Stop - Double Wall AL294C/AZ - 20FCGFS-CA0 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$165.90
Metal-Fab Corr/Guard 20" Diameter Fire Stop - Double Wall AL294C/430SS - 20FCGFS-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$168.20
Metal-Fab Corr/Guard 20" Diameter Casing End Closure - Double Wall AL294C/AZ - 20FCGCEC-CA0 Corrosion protected and pressure rated Corr/Guard has been a...
+

$172.65
Metal-Fab Corr/Guard 20" Diameter Casing End Closure - Double Wall AL294C/430SS - 20FCGCEC-C30 Corrosion protected and pressure rated Corr/Guard has been...
+

$177.42
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

$178.10
Metal-Fab Corr/Guard 20" Diameter Fire Stop - Single Wall - 20FCGSWFS Corrosion protected and pressure rated Corr/Guard has been a field tested success...
+

$184.20
Metal-Fab Corr/Guard 20" Diameter Fire Stop (AZ/Insulated) - 20FCSFS-CA1 Almost never undersold. If you find a better price e-mail us their quote and...
+

$189.10
Metal-Fab Corr/Guard 20" Diameter Fire Stop (430SS/Insulated) - 20FCSFS-C31 Almost never undersold. If you find a better price e-mail us their quote and...
+

$189.44
Metal-Fab Corr/Guard 20" Diameter Storm Collar - Single Wall - 20FCGSWSC Corrosion protected and pressure rated Corr/Guard has been a field tested success...
+

$189.44
Metal-Fab Corr/Guard 20" Diameter Storm Collar - Double Wall AL294C/AZ - 20FCGSC-CA0 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$191.69
Metal-Fab Corr/Guard 20" Diameter Casing End Closure (AZ/Insulated) - 20FCSCEC-CA1 Almost never undersold. If you find a better price e-mail us their...
+

$193.05
Metal-Fab Corr/Guard 20" Diameter Fire Stop - Double Wall AL294C/304SS - 20FCGFS-C40 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$194.45
Metal-Fab Corr/Guard 20" Diameter Storm Collar - Double Wall AL294C/430SS - 20FCGSC-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$196.78
Metal-Fab Corr/Guard 20" Diameter Casing End Closure (430SS/Insulated) - 20FCSCEC-C31 Almost never undersold. If you find a better price e-mail us their...
+

$198.33
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

$200.89
Metal-Fab Corr/Guard 20" Diameter Casing End Closure - Double Wall AL294C/304SS - 20FCGCEC-C40 Corrosion protected and pressure rated Corr/Guard has been...
+

$209.59
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

$215.89
Metal-Fab Corr/Guard 20" Diameter Storm Collar (AZ/Insulated) - 20FCSSC-CA1 Almost never undersold. If you find a better price e-mail us their quote and...
+

$217.64
Metal-Fab Corr/Guard 20" Diameter Fire Stop - Double Wall AL294C/316SS - 20FCGFS-C60 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$219.27
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

$219.85
Metal-Fab Corr/Guard 20" Diameter Female To Female Adapter (AZ) - 20FCSSWDFA-CA0 Almost never undersold. If you find a better price e-mail us their...
+

$220.03
Metal-Fab Corr/Guard 20" Diameter Fire Stop (304SS/Insulated) - 20FCSFS-C41 Almost never undersold. If you find a better price e-mail us their quote and...
+

$221.60
Metal-Fab Corr/Guard 20" Diameter Storm Collar (430SS/Insulated) - 20FCSSC-C31 Almost never undersold. If you find a better price e-mail us their quote...
+

$222.98
Metal-Fab Corr/Guard 20" Diameter Plate Support - Single Wall - 20FCGSWPS Corrosion protected and pressure rated Corr/Guard has been a field tested...
+

$226.25
Metal-Fab Corr/Guard 20" Diameter Storm Collar - Double Wall AL294C/304SS - 20FCGSC-C40 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$226.46
Metal-Fab Corr/Guard 20" Diameter Casing End Closure - Double Wall AL294C/316SS - 20FCGCEC-C60 Corrosion protected and pressure rated Corr/Guard has been...
+

$228.97
Metal-Fab Corr/Guard 20" Diameter Casing End Closure (304SS/Insulated) - 20FCSCEC-C41 Almost never undersold. If you find a better price e-mail us their...
+

$243.32
Metal-Fab Corr/Guard 20" Diameter Closure Ring (316SS) - 20FCSCR-C60 Almost never undersold. If you find a better price e-mail us their quote and we'll...
+

$243.32
Metal-Fab Corr/Guard 20" Diameter Closure Ring (304SS) - 20FCSCR-C40 Almost never undersold. If you find a better price e-mail us their quote and we'll...
+

$243.32
Metal-Fab Corr/Guard 20" Diameter Closure Ring (AZ) - 20FCSCR-CA0 Almost never undersold. If you find a better price e-mail us their quote and we'll...
+

$243.32
Metal-Fab Corr/Guard 20" Diameter Closure Ring (430SS) - 20FCSCR-C30 Almost never undersold. If you find a better price e-mail us their quote and we'll...
+

$243.58
DuraVent 20" BV Round Type B Gas Vent Tee Cap - SKU: 20BVTC BVENT Almost never undersold. If you find a better price e-mail us their quote and we'll...

$248.06
Metal-Fab Corr/Guard 20" Diameter Fire Stop (316SS/Insulated) - 20FCSFS-C61 Almost never undersold. If you find a better price e-mail us their quote and...
+

$255.08
Metal-Fab Corr/Guard 20" Diameter Storm Collar - Double Wall AL294C/316SS - 20FCGSC-C60 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$257.87
Metal-Fab Corr/Guard 20" Diameter Storm Collar (304SS/Insulated) - 20FCSSC-C41 Almost never undersold. If you find a better price e-mail us their quote...
+

$258.13
Metal-Fab Corr/Guard 20" Diameter Casing End Closure (316SS/Insulated) - 20FCSCEC-C61 Almost never undersold. If you find a better price e-mail us their...
+

$271.73
Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us quote your pipe. Our NFI Master Hearth Certified...

$275.83
Metal-Fab Corr/Guard 20" Diameter Male To Male Adapter (AZ) - 20FCSSWDMA-CA0 Almost never undersold. If you find a better price e-mail us their quote...
+

$277.33
Metal-Fab Corr/Guard 20" Diameter Closure Ring (304SS/Insulated) - 20FCSCR-C41 Almost never undersold. If you find a better price e-mail us their quote...
+

$277.33
Metal-Fab Corr/Guard 20" Diameter Closure Ring (430SS/Insulated) - 20FCSCR-C31 Almost never undersold. If you find a better price e-mail us their quote...
+

$277.33
Metal-Fab Corr/Guard 20" Diameter Closure Ring (316SS/Insulated) - 20FCSCR-C61 Almost never undersold. If you find a better price e-mail us their quote...
+