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20 inch

No Stock Currently Available
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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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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$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...
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$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...
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$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...
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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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$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...
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$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...
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$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...
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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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$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...
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$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...
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$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....
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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$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...
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