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18 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...

$44.06
Metal-Fab Corr/Guard 18" Diameter Half Angle Ring - Single Wall - 18FCGSWHAR Corrosion protected and pressure rated Corr/Guard has been a field tested...
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$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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$46.96
Metal-Fab Corr/Guard 18" Diameter Half Angle Ring - Double Wall AL294C/AZ - 18FCGHAR-CA0 Corrosion protected and pressure rated Corr/Guard has been a...
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$53.27
Metal-Fab Corr/Guard 18" Diameter Half Angle Ring (AZ/Insulated) - 18FCSHAR-CA1 Almost never undersold. If you find a better price e-mail us their quote...
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$55.28
Metal-Fab Corr/Guard 18" Diameter Half Angle Ring - Double Wall AL294C/316SS - 18FCGHAR-C60 Corrosion protected and pressure rated Corr/Guard has been a...
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$55.28
Metal-Fab Corr/Guard 18" Diameter Half Angle Ring - Double Wall AL294C/304SS - 18FCGHAR-C40 Corrosion protected and pressure rated Corr/Guard has been a...
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$55.28
Metal-Fab Corr/Guard 18" Diameter Half Angle Ring - Double Wall AL294C/430SS - 18FCGHAR-C30 Corrosion protected and pressure rated Corr/Guard has been a...
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$61.05
Metal-Fab Corr/Guard 18" Diameter Half Angle Ring (316SS/Insulated) - 18FCSHAR-C61 Almost never undersold. If you find a better price e-mail us their...
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$61.05
Metal-Fab Corr/Guard 18" Diameter Half Angle Ring (430SS/Insulated) - 18FCSHAR-C31 Almost never undersold. If you find a better price e-mail us their...
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$61.05
Metal-Fab Corr/Guard 18" Diameter Half Angle Ring (304SS/Insulated) - 18FCSHAR-C41 Almost never undersold. If you find a better price e-mail us their...
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$63.62
Metal-Fab Corr/Guard 18" Diameter Guy Ring - Single Wall - 18FCGSWGR Corrosion protected and pressure rated Corr/Guard has been a field tested success for...
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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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$78.33
Metal-Fab Corr/Guard 18" Diameter Guy Ring - Double Wall AL294C/AZ - 18FCGGR-CA0 Corrosion protected and pressure rated Corr/Guard has been a field tested...
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$80.38
Metal-Fab Corr/Guard 18" Diameter Guy Ring - Double Wall AL294C/430SS - 18FCGGR-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
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$83.03
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...

$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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$89.27
Metal-Fab Corr/Guard 18" Diameter Guy Ring (AZ/Insulated) - 18FCSGR-CA1 Almost never undersold. If you find a better price e-mail us their quote and...
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$91.59
Metal-Fab Corr/Guard 18" Diameter Guy Ring (430SS/Insulated) - 18FCSGR-C31 Almost never undersold. If you find a better price e-mail us their quote and...
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$93.54
Metal-Fab Corr/Guard 18" Diameter Guy Ring - Double Wall AL294C/304SS - 18FCGGR-C40 Corrosion protected and pressure rated Corr/Guard has been a field...
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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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$105.41
Metal-Fab Corr/Guard 18" Diameter Guy Ring - Double Wall AL294C/316SS - 18FCGGR-C60 Corrosion protected and pressure rated Corr/Guard has been a field...
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$106.58
Metal-Fab Corr/Guard 18" Diameter Guy Ring (304SS/Insulated) - 18FCSGR-C41 Almost never undersold. If you find a better price e-mail us their quote and...
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$109.23
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...

$109.96
DuraVent 18" BV Round Type B Gas Vent Adjustable Storm Collar - SKU: 18BVSC BVENT Almost never undersold. If you find a better price e-mail us their...

$118.82
Metal-Fab Corr/Guard 18" Diameter Plate Support - Single Wall - 18FCGSWPS Corrosion protected and pressure rated Corr/Guard has been a field tested...
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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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$120.12
Metal-Fab Corr/Guard 18" Diameter Guy Ring (316SS/Insulated) - 18FCSGR-C61 Almost never undersold. If you find a better price e-mail us their quote and...
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$129.52
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...

$129.63
Metal-Fab Corr/Guard 18" Diameter Casing End Closure - Double Wall AL294C/AZ - 18FCGCEC-CA0 Corrosion protected and pressure rated Corr/Guard has been a...
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$133.09
Metal-Fab Corr/Guard 18" Diameter Casing End Closure - Double Wall AL294C/430SS - 18FCGCEC-C30 Corrosion protected and pressure rated Corr/Guard has been...
+

$141.24
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...

$147.77
Metal-Fab Corr/Guard 18" Diameter Casing End Closure (AZ/Insulated) - 18FCSCEC-CA1 Almost never undersold. If you find a better price e-mail us their...
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$148.71
Metal-Fab Corr/Guard 18" Diameter Fire Stop - Double Wall AL294C/AZ - 18FCGFS-CA0 Corrosion protected and pressure rated Corr/Guard has been a field...
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$151.67
Metal-Fab Corr/Guard 18" Diameter Casing End Closure (430SS/Insulated) - 18FCSCEC-C31 Almost never undersold. If you find a better price e-mail us their...
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$152.64
Metal-Fab Corr/Guard 18" Diameter Fire Stop - Double Wall AL294C/430SS - 18FCGFS-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
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$154.82
Metal-Fab Corr/Guard 18" Diameter Casing End Closure - Double Wall AL294C/304SS - 18FCGCEC-C40 Corrosion protected and pressure rated Corr/Guard has been...
+

$154.89
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...

$156.26
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...

$161.14
DuraVent 18" BV Round Type B Gas Vent Tee Cap - SKU: 18BVTC BVENT Almost never undersold. If you find a better price e-mail us their quote and we'll...

$163.62
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...

$165.06
Metal-Fab Corr/Guard 18" Diameter Fire Stop - Single Wall - 18FCGSWFS Corrosion protected and pressure rated Corr/Guard has been a field tested success...
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$169.46
Metal-Fab Corr/Guard 18" Diameter Fire Stop (AZ/Insulated) - 18FCSFS-CA1 Almost never undersold. If you find a better price e-mail us their quote and...
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$173.95
Metal-Fab Corr/Guard 18" Diameter Fire Stop (430SS/Insulated) - 18FCSFS-C31 Almost never undersold. If you find a better price e-mail us their quote and...
+

$174.55
Metal-Fab Corr/Guard 18" Diameter Casing End Closure - Double Wall AL294C/316SS - 18FCGCEC-C60 Corrosion protected and pressure rated Corr/Guard has been...
+

$176.47
Metal-Fab Corr/Guard 18" Diameter Casing End Closure (304SS/Insulated) - 18FCSCEC-C41 Almost never undersold. If you find a better price e-mail us their...
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$177.58
Metal-Fab Corr/Guard 18" Diameter Fire Stop - Double Wall AL294C/304SS - 18FCGFS-C40 Corrosion protected and pressure rated Corr/Guard has been a field...
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$186.09
Metal-Fab Corr/Guard 18" Diameter Storm Collar - Double Wall AL294C/AZ - 18FCGSC-CA0 Corrosion protected and pressure rated Corr/Guard has been a field...
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$186.09
Metal-Fab Corr/Guard 18" Diameter Storm Collar - Single Wall - 18FCGSWSC Corrosion protected and pressure rated Corr/Guard has been a field tested success...
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$191.02
Metal-Fab Corr/Guard 18" Diameter Storm Collar - Double Wall AL294C/430SS - 18FCGSC-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
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$198.94
Metal-Fab Corr/Guard 18" Diameter Casing End Closure (316SS/Insulated) - 18FCSCEC-C61 Almost never undersold. If you find a better price e-mail us their...
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$200.19
Metal-Fab Corr/Guard 18" Diameter Fire Stop - Double Wall AL294C/316SS - 18FCGFS-C60 Corrosion protected and pressure rated Corr/Guard has been a field...
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$202.32
Metal-Fab Corr/Guard 18" Diameter Female To Female Adapter (AZ) - 18FCSSWDFA-CA0 Almost never undersold. If you find a better price e-mail us their...
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$202.39
Metal-Fab Corr/Guard 18" Diameter Fire Stop (304SS/Insulated) - 18FCSFS-C41 Almost never undersold. If you find a better price e-mail us their quote and...
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$213.58
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...

$212.10
Metal-Fab Corr/Guard 18" Diameter Storm Collar (AZ/Insulated) - 18FCSSC-CA1 Almost never undersold. If you find a better price e-mail us their quote and...
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$217.73
Metal-Fab Corr/Guard 18" Diameter Storm Collar (430SS/Insulated) - 18FCSSC-C31 Almost never undersold. If you find a better price e-mail us their quote...
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$222.20
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...

$222.25
Metal-Fab Corr/Guard 18" Diameter Storm Collar - Double Wall AL294C/304SS - 18FCGSC-C40 Corrosion protected and pressure rated Corr/Guard has been a field...
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$225.08
DuraVent 18" BV Round Type B Gas Vent Firestop Support Plate - SKU: 18BVFSP BVENT Almost never undersold. If you find a better price e-mail us their...

$225.99
Metal-Fab Corr/Guard 18" Diameter Closure Ring (304SS) - 18FCSCR-C40 Almost never undersold. If you find a better price e-mail us their quote and we'll...
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$225.99
Metal-Fab Corr/Guard 18" Diameter Closure Ring (AZ) - 18FCSCR-CA0 Almost never undersold. If you find a better price e-mail us their quote and we'll...
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$225.99
Metal-Fab Corr/Guard 18" Diameter Closure Ring (316SS) - 18FCSCR-C60 Almost never undersold. If you find a better price e-mail us their quote and we'll...
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$225.99
Metal-Fab Corr/Guard 18" Diameter Closure Ring (430SS) - 18FCSCR-C30 Almost never undersold. If you find a better price e-mail us their quote and we'll...
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$228.18
Metal-Fab Corr/Guard 18" Diameter Fire Stop (316SS/Insulated) - 18FCSFS-C61 Almost never undersold. If you find a better price e-mail us their quote and...
+

$250.59
Metal-Fab Corr/Guard 18" Diameter Storm Collar - Double Wall AL294C/316SS - 18FCGSC-C60 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$253.33
Metal-Fab Corr/Guard 18" Diameter Storm Collar (304SS/Insulated) - 18FCSSC-C41 Almost never undersold. If you find a better price e-mail us their quote...
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$253.63
Metal-Fab Corr/Guard 18" Diameter Male To Male Adapter (AZ) - 18FCSSWDMA-CA0 Almost never undersold. If you find a better price e-mail us their quote...
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$257.59
Metal-Fab Corr/Guard 18" Diameter Closure Ring (430SS/Insulated) - 18FCSCR-C31 Almost never undersold. If you find a better price e-mail us their quote...
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$257.59
Metal-Fab Corr/Guard 18" Diameter Closure Ring (304SS/Insulated) - 18FCSCR-C41 Almost never undersold. If you find a better price e-mail us their quote...
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$257.59
Metal-Fab Corr/Guard 18" Diameter Closure Ring (AZ/Insulated) - 18FCSCR-CA1 Almost never undersold. If you find a better price e-mail us their quote and...
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