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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...

$576.57
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 6-12 Pitch - Double Wall AL294C/430SS - 20FCGFPF6-C30 Corrosion protected and pressure rated...
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$1,870.34
Metal-Fab Corr/Guard 20" Diameter Conical Tee With 18" Reduced Tap - Double Wall AL294C/AZ - 20FCGCT18-CA0 Corrosion protected and pressure rated...
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$758.32
Metal-Fab Corr/Guard 20" Diameter Variable Length - Double Wall AL294C/430SS - 20FCGVL10-C30 Corrosion protected and pressure rated Corr/Guard has been a...
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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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$1,011.15
Metal-Fab Corr/Guard 20" Diameter Stack Support Assembly - Double Wall AL294C/304SS - 20FCGSSA-C40 Corrosion protected and pressure rated Corr/Guard has...
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$917.69
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 16" - Double Wall AL294C/316SS - 20FCG16RC-C60 Corrosion protected and pressure rated...
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$553.47
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 17" - Single Wall - 20FCGSW17RC Corrosion protected and pressure rated Corr/Guard has been a...
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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...

$923.48
Metal-Fab Corr/Guard 20" Diameter Miter Cut - Single Wall - 20FCGSWMC Corrosion protected and pressure rated Corr/Guard has been a field tested success...
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$904.00
Metal-Fab Corr/Guard 20" Diameter Wall Support - Double Wall AL294C/316SS - 20FCGWS-C60 Corrosion protected and pressure rated Corr/Guard has been a field...
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$737.51
Metal-Fab Corr/Guard 20" Diameter Stack Support Assembly - Single Wall - 20FCGSWSSA Corrosion protected and pressure rated Corr/Guard has been a field...
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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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$917.69
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 14" - Double Wall AL294C/316SS - 20FCG14RC-C60 Corrosion protected and pressure rated...
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$605.29
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 3-12 Pitch - Double Wall AL294C/304SS - 20FCGFPF3-C40 Corrosion protected and pressure rated...
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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...

$1,657.40
Metal-Fab Corr/Guard 20" Diameter Variable Length - Double Wall AL294C/316SS - 20FCGVL22-C60 Corrosion protected and pressure rated Corr/Guard has been a...
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$771.13
Metal-Fab Corr/Guard 20" Diameter Tee Cap - Double Wall AL294C/316SS - 20FCGTC-C60 Corrosion protected and pressure rated Corr/Guard has been a field...
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$553.47
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 16" - Single Wall - 20FCGSW16RC Corrosion protected and pressure rated Corr/Guard has been a...
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$2,128.59
Metal-Fab Corr/Guard 20" Diameter Conical Tee With 16" Reduced Tap - Double Wall AL294C/304SS - 20FCGCT16-C40 Corrosion protected and pressure rated...
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$681.24
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 16" - Double Wall AL294C/AZ - 20FCG16RC-CA0 Corrosion protected and pressure rated Corr/Guard...
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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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$605.29
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 7-12 Pitch - Double Wall AL294C/304SS - 20FCGFPF7-C40 Corrosion protected and pressure rated...
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$760.16
Metal-Fab B-Vent 20" 20x28 Increaser - 20MIX28 Almost never undersold. If you find a better price e-mail us their quote and we'll likely beat it. Let us...

$682.45
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 2-12 Pitch - Double Wall AL294C/316SS - 20FCGFPF2-C60 Corrosion protected and pressure rated...
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$758.13
Metal-Fab Corr/Guard 20" Diameter Variable Length - Single Wall - 20FCGSWVL22 Corrosion protected and pressure rated Corr/Guard has been a field tested...
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$917.69
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 17" - Double Wall AL294C/316SS - 20FCG17RC-C60 Corrosion protected and pressure rated...
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$1,402.71
Metal-Fab Corr/Guard 20" Diameter Tapered Increaser 20" To 24" - Double Wall AL294C/AZ - 20FCGTI24-CA0 Corrosion protected and pressure rated Corr/Guard...
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$699.34
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 19" - Double Wall AL294C/430SS - 20FCG19RC-C30 Corrosion protected and pressure rated...
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$520.11
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 8-12 Pitch - Double Wall AL294C/AZ - 20FCGFPF8-CA0 Corrosion protected and pressure rated...
+

$917.69
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 18" - Double Wall AL294C/316SS - 20FCG18RC-C60 Corrosion protected and pressure rated...
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$572.47
Metal-Fab Corr/Guard 20" Diameter Tee Cap - Double Wall AL294C/AZ - 20FCGTC-CA0 Corrosion protected and pressure rated Corr/Guard has been a field tested...
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$562.97
Metal-Fab Corr/Guard 20" Diameter Female Adapter - Double Wall AL294C/430SS - 20FCGFFC-C30 Corrosion protected and pressure rated Corr/Guard has been a...
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$1,622.77
Metal-Fab Corr/Guard 20" Diameter 90 Deg Manifold Tee With 16" Reduced Tap - Double Wall AL294C/430SS - 20FCGT16-C30 Corrosion protected and pressure...
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$1,003.02
Metal-Fab Corr/Guard 20" Diameter Wall Penetration Kit - Double Wall AL294C/316SS - 20FCGWPK-C60 Corrosion protected and pressure rated Corr/Guard has...
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$740.48
Metal-Fab Corr/Guard 20" Diameter Plate Support - Double Wall AL294C/304SS - 20FCGPS-C40 Corrosion protected and pressure rated Corr/Guard has been a...
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$682.45
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 7-12 Pitch - Double Wall AL294C/316SS - 20FCGFPF7-C60 Corrosion protected and pressure rated...
+

$605.29
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 9-12 Pitch - Double Wall AL294C/304SS - 20FCGFPF9-C40 Corrosion protected and pressure rated...
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$1,264.80
Metal-Fab Corr/Guard 20" Diameter Tapered Increaser 20" To 22" - Double Wall AL294C/430SS - 20FCGTI22-C30 Corrosion protected and pressure rated...
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$537.67
Metal-Fab Corr/Guard 20" Diameter Male Adapter - Double Wall AL294C/AZ - 20FCGMFC-CA0 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$764.34
Metal-Fab Corr/Guard 20" Diameter Wall Penetration Kit - Double Wall AL294C/AZ - 20FCGWPK-CA0 Corrosion protected and pressure rated Corr/Guard has been a...
+

$392.80
Metal-Fab Corr/Guard 20" Diameter Tee Cap - Single Wall - 20FCGSWTC Corrosion protected and pressure rated Corr/Guard has been a field tested success for...
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$576.57
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 5-12 Pitch - Double Wall AL294C/430SS - 20FCGFPF5-C30 Corrosion protected and pressure rated...
+

$738.69
Metal-Fab Corr/Guard 20" Diameter Variable Length - Double Wall AL294C/AZ - 20FCGVL10-CA0 Corrosion protected and pressure rated Corr/Guard has been a...
+

$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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$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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$506.67
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 3-12 Pitch - Single Wall - 20FCGSWFPF3 Corrosion protected and pressure rated Corr/Guard has been a...
+

$688.90
Metal-Fab Corr/Guard 20" Diameter Wall Support - Double Wall AL294C/430SS - 20FCGWS-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$813.90
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 17" - Double Wall AL294C/304SS - 20FCG17RC-C40 Corrosion protected and pressure rated...
+

$506.67
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 7-12 Pitch - Single Wall - 20FCGSWFPF7 Corrosion protected and pressure rated Corr/Guard has been a...
+

$996.14
Metal-Fab Corr/Guard 20" Diameter Stack Support Assembly - Double Wall AL294C/AZ - 20FCGSSA-CA0 Corrosion protected and pressure rated Corr/Guard has been...
+

$917.69
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 19" - Double Wall AL294C/316SS - 20FCG19RC-C60 Corrosion protected and pressure rated...
+

$683.93
Metal-Fab Corr/Guard 20" Diameter Tee Cap - Double Wall AL294C/304SS - 20FCGTC-C40 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$682.45
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 9-12 Pitch - Double Wall AL294C/316SS - 20FCGFPF9-C60 Corrosion protected and pressure rated...
+

$576.57
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 8-12 Pitch - Double Wall AL294C/430SS - 20FCGFPF8-C30 Corrosion protected and pressure rated...
+

$1,439.97
Metal-Fab Corr/Guard 20" Diameter Tapered Increaser 20" To 24" - Double Wall AL294C/430SS - 20FCGTI24-C30 Corrosion protected and pressure rated...
+

$1,175.16
Metal-Fab Corr/Guard 20" Diameter Conical Tee With 14" Reduced Tap - Single Wall - 20FCGSWCT14 Corrosion protected and pressure rated Corr/Guard has been...
+

$682.45
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 12-12 Pitch - Double Wall AL294C/316SS - 20FCGFPF12-C60 Corrosion protected and pressure rated...
+

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...

$993.67
Metal-Fab Corr/Guard 20" Diameter 90 Deg Manifold Tee With 14" Reduced Tap - Single Wall - 20FCGSWT14 Corrosion protected and pressure rated Corr/Guard...
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$724.28
Metal-Fab Corr/Guard 20" Diameter Male Adapter - Double Wall AL294C/316SS - 20FCGMFC-C60 Corrosion protected and pressure rated Corr/Guard has been a...
+

$1,062.59
Metal-Fab Corr/Guard 20" Diameter Miter Cut - Double Wall AL294C/430SS - 20FCGMC-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$605.29
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 8-12 Pitch - Double Wall AL294C/304SS - 20FCGFPF8-C40 Corrosion protected and pressure rated...
+

$507.20
Metal-Fab Corr/Guard 20" Diameter Single Wall Boiler Adapter - Double Wall AL294C/AZ - 20FCGSBA-CA0 Corrosion protected and pressure rated Corr/Guard has...
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$605.29
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 5-12 Pitch - Double Wall AL294C/304SS - 20FCGFPF5-C40 Corrosion protected and pressure rated...
+

$838.41
Metal-Fab Corr/Guard 20" Diameter Tapered Increaser 20" To 22" - Single Wall - 20FCGSWTI22 Corrosion protected and pressure rated Corr/Guard has been a...
+

$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...
+

$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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$559.28
Metal-Fab Corr/Guard 20" Diameter Tee Cap Less Drain - Double Wall AL294C/430SS - 20FCGTCN-C30 Corrosion protected and pressure rated Corr/Guard has been...
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$627.28
DuraVent 20" BV Round Type B Gas Vent 18" Adjustable Length Pipe - SKU: 20BV18A BVENT Almost never undersold. If you find a better price e-mail us their...

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...

$2,234.71
Metal-Fab Corr/Guard 20" Diameter Conical Tee With 18" Reduced Tap - Double Wall AL294C/304SS - 20FCGCT18-C40 Corrosion protected and pressure rated...
+

$989.00
Metal-Fab Corr/Guard 20" Diameter Tapered Increaser 20" To 24" - Single Wall - 20FCGSWTI24 Corrosion protected and pressure rated Corr/Guard has been a...
+

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...

$1,236.75
Metal-Fab Corr/Guard 20" Diameter Miter Cut - Double Wall AL294C/304SS - 20FCGMC-C40 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$1,971.16
Metal-Fab Corr/Guard 20" Diameter Conical Tee With 14" Reduced Tap - Double Wall AL294C/304SS - 20FCGCT14-C40 Corrosion protected and pressure rated...
+

$332.75
Metal-Fab Corr/Guard 20" Diameter Flashing - Double Wall AL294C/304SS - 20FCGF-C40 Corrosion protected and pressure rated Corr/Guard has been a field...
+

$506.67
Metal-Fab Corr/Guard 20" Diameter Fixed Pitch Flashing 9-12 Pitch - Single Wall - 20FCGSWFPF9 Corrosion protected and pressure rated Corr/Guard has been a...
+

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...

$813.90
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 14" - Double Wall AL294C/304SS - 20FCG14RC-C40 Corrosion protected and pressure rated...
+

$544.79
Metal-Fab Corr/Guard 20" Diameter Tee Cap Less Drain - Double Wall AL294C/AZ - 20FCGTCN-CA0 Corrosion protected and pressure rated Corr/Guard has been a...
+

$813.90
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 15" - Double Wall AL294C/304SS - 20FCG15RC-C40 Corrosion protected and pressure rated...
+

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...

$764.34
Metal-Fab Corr/Guard 20" Diameter Wall Penetration Kit - Double Wall AL294C/430SS - 20FCGWPK-C30 Corrosion protected and pressure rated Corr/Guard has...
+

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...

$1,230.27
Metal-Fab Corr/Guard 20" Diameter Variable Length - Double Wall AL294C/AZ - 20FCGVL22-CA0 Corrosion protected and pressure rated Corr/Guard has been a...
+

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...

$386.60
Metal-Fab Corr/Guard 20" Diameter Male Adapter - Single Wall - 20FCGSWMFC Corrosion protected and pressure rated Corr/Guard has been a field tested...
+

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...

$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...
+

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...

$699.34
Metal-Fab Corr/Guard 20" Diameter Reducing Connector 20" To 14" - Double Wall AL294C/430SS - 20FCG14RC-C30 Corrosion protected and pressure rated...
+

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...