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18 inch

$875.59
Metal-Fab Corr/Guard 18" Diameter Drain Section - Double Wall AL294C/316SS - 18FCGDS-C60 Corrosion protected and pressure rated Corr/Guard has been a...
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$575.68
Metal-Fab Corr/Guard 18" Diameter Plate Support - Double Wall AL294C/304SS - 18FCGPS-C40 Corrosion protected and pressure rated Corr/Guard has been a...
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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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$1,398.52
Metal-Fab Corr/Guard 18" Diameter 90 Deg Manifold Tee With 16" Reduced Tap - Double Wall AL294C/304SS - 18FCGT16-C40 Corrosion protected and pressure...
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$724.20
Metal-Fab Corr/Guard 18" Diameter Tapered Increaser 18" To 22" - Single Wall - 18FCGSWTI22 Corrosion protected and pressure rated Corr/Guard has been a...
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$1,270.14
Metal-Fab Corr/Guard 18" Diameter 90 Deg Manifold Tee With 12" Reduced Tap - Double Wall AL294C/304SS - 18FCGT12-C40 Corrosion protected and pressure...
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$875.89
Metal-Fab Corr/Guard 18" Diameter Conical Tee With 14" Reduced Tap - Single Wall - 18FCGSWCT14 Corrosion protected and pressure rated Corr/Guard has been...
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$1,235.02
Metal-Fab Corr/Guard 18" Diameter Tapered Increaser 18" To 24" - Double Wall AL294C/AZ - 18FCGTI24-CA0 Corrosion protected and pressure rated Corr/Guard...
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$818.74
Metal-Fab Corr/Guard 18" Diameter Wall Penetration Kit - Double Wall AL294C/304SS - 18FCGWPK-C40 Corrosion protected and pressure rated Corr/Guard has...
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$641.49
Metal-Fab Corr/Guard 18" Diameter Wall Support - Double Wall AL294C/304SS - 18FCGWS-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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$1,411.44
Metal-Fab Corr/Guard 18" Diameter Conical Tee With 14" Reduced Tap - Double Wall AL294C/430SS - 18FCGCT14-C30 Corrosion protected and pressure rated...
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$660.63
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 11-12 Pitch - Double Wall AL294C/316SS - 18FCGFPF11-C60 Corrosion protected and pressure rated...
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$542.62
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 2-12 Pitch - Double Wall AL294C/430SS - 18FCGFPF2-C30 Corrosion protected and pressure rated...
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$490.43
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 12-12 Pitch - Double Wall AL294C/AZ - 18FCGFPF12-CA0 Corrosion protected and pressure rated...
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$462.97
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 3-12 Pitch - Single Wall - 18FCGSWFPF3 Corrosion protected and pressure rated Corr/Guard has been a...
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$1,063.10
Metal-Fab Corr/Guard 18" Diameter 90 Deg Manifold Tee With 12" Reduced Tap - Double Wall AL294C/AZ - 18FCGT12-CA0 Corrosion protected and pressure rated...
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$425.78
Metal-Fab Corr/Guard 18" Diameter Tee Cap - Double Wall AL294C/430SS - 18FCGTC-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
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$776.56
Metal-Fab Corr/Guard 18" Diameter Drain Section - Double Wall AL294C/304SS - 18FCGDS-C40 Corrosion protected and pressure rated Corr/Guard has been a...
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$742.14
Metal-Fab Corr/Guard 18" Diameter Variable Length - Double Wall AL294C/316SS - 18FCGVL10-C60 Corrosion protected and pressure rated Corr/Guard has been a...
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$276.56
Metal-Fab Corr/Guard 18" Diameter Flashing - Double Wall AL294C/AZ - 18FCGF-CA0 Corrosion protected and pressure rated Corr/Guard has been a field tested...
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$769.91
Metal-Fab Corr/Guard 18" Diameter 90 Deg Manifold Tee With 16" Reduced Tap - Single Wall - 18FCGSWT16 Corrosion protected and pressure rated Corr/Guard...
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$875.23
Metal-Fab Corr/Guard 18" Diameter Stack Support Assembly - Double Wall AL294C/316SS - 18FCGSSA-C60 Corrosion protected and pressure rated Corr/Guard has...
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$451.27
Metal-Fab Corr/Guard 18" Diameter Male Adapter - Double Wall AL294C/AZ - 18FCGMFC-CA0 Corrosion protected and pressure rated Corr/Guard has been a field...
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$484.23
Metal-Fab Corr/Guard 18" Diameter Tee Cap Less Drain - Double Wall AL294C/430SS - 18FCGTCN-C30 Corrosion protected and pressure rated Corr/Guard has been...
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$585.92
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 3-12 Pitch - Double Wall AL294C/304SS - 18FCGFPF3-C40 Corrosion protected and pressure rated...
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$278.80
Metal-Fab Corr/Guard 18" Diameter Flashing - Double Wall AL294C/430SS - 18FCGF-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
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$660.63
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 9-12 Pitch - Double Wall AL294C/316SS - 18FCGFPF9-C60 Corrosion protected and pressure rated...
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$747.87
Metal-Fab Corr/Guard 18" Diameter Tapered Increaser 18" To 24" - Single Wall - 18FCGSWTI24 Corrosion protected and pressure rated Corr/Guard has been a...
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$1,244.69
Metal-Fab Corr/Guard 18" Diameter Conical Tee With 10" Reduced Tap - Double Wall AL294C/AZ - 18FCGCT10-CA0 Corrosion protected and pressure rated...
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$1,834.90
Metal-Fab Corr/Guard 18" Diameter Conical Tee With Drain - Double Wall AL294C/AZ - 18FCGCTD-CA0 Corrosion protected and pressure rated Corr/Guard has been...
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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...

$611.06
Metal-Fab Corr/Guard 18" Diameter Tapered Increaser 18" To 20" - Single Wall - 18FCGSWTI20 Corrosion protected and pressure rated Corr/Guard has been a...
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$542.62
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 5-12 Pitch - Double Wall AL294C/430SS - 18FCGFPF5-C30 Corrosion protected and pressure rated...
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$490.43
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 3-12 Pitch - Double Wall AL294C/AZ - 18FCGFPF3-CA0 Corrosion protected and pressure rated...
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$813.64
Metal-Fab Corr/Guard 18" Diameter Stack Support Assembly - Double Wall AL294C/430SS - 18FCGSSA-C30 Corrosion protected and pressure rated Corr/Guard has...
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$411.72
Metal-Fab Corr/Guard 18" Diameter Single Wall Boiler Adapter - Double Wall AL294C/430SS - 18FCGSBA-C30 Corrosion protected and pressure rated Corr/Guard...
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$660.63
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 5-12 Pitch - Double Wall AL294C/316SS - 18FCGFPF5-C60 Corrosion protected and pressure rated...
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$706.52
Metal-Fab Corr/Guard 18" Diameter Eccentric Increaser 18" To 22" - Single Wall - 18FCGSWEI22 Corrosion protected and pressure rated Corr/Guard has been a...
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$642.87
Metal-Fab Corr/Guard 18" Diameter Miter Cut - Double Wall AL294C/AZ - 18FCGMC-CA0 Corrosion protected and pressure rated Corr/Guard has been a field...
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$660.63
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 3-12 Pitch - Double Wall AL294C/316SS - 18FCGFPF3-C60 Corrosion protected and pressure rated...
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$568.55
Metal-Fab Corr/Guard 18" Diameter Plate Support - Double Wall AL294C/430SS - 18FCGPS-C30 Corrosion protected and pressure rated Corr/Guard has been a...
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$479.14
Metal-Fab Corr/Guard 18" Diameter Single Wall Boiler Adapter - Double Wall AL294C/304SS - 18FCGSBA-C40 Corrosion protected and pressure rated Corr/Guard...
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$1,087.70
Metal-Fab Corr/Guard 18" Diameter Eccentric Reducer (430SS/Insulated) - 18FCSER10-C31 Almost never undersold. If you find a better price e-mail us their...
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$1,060.16
Metal-Fab Corr/Guard 18" Diameter Cap With Birdscreen - Double Wall AL294C/430SS - 18FCGCB-C30 Corrosion protected and pressure rated Corr/Guard has been...
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$1,330.27
Metal-Fab Corr/Guard 18" Diameter Conical Tee With 12" Reduced Tap - Double Wall AL294C/AZ - 18FCGCT12-CA0 Corrosion protected and pressure rated...
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$660.63
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 2-12 Pitch - Double Wall AL294C/316SS - 18FCGFPF2-C60 Corrosion protected and pressure rated...
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$401.07
Metal-Fab Corr/Guard 18" Diameter Single Wall Boiler Adapter - Double Wall AL294C/AZ - 18FCGSBA-CA0 Corrosion protected and pressure rated Corr/Guard has...
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$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...

$923.16
Metal-Fab Corr/Guard 18" Diameter Wall Penetration Kit - Double Wall AL294C/316SS - 18FCGWPK-C60 Corrosion protected and pressure rated Corr/Guard has...
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$1,573.08
Metal-Fab Corr/Guard 18" Diameter 90 Degree Elbow (430SS/Insulated) - 18FCS90L-C31 Almost never undersold. If you find a better price e-mail us their...
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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...

$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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$585.92
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 1-12 Pitch - Double Wall AL294C/304SS - 18FCGFPF1-C40 Corrosion protected and pressure rated...
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$1,505.58
Metal-Fab Corr/Guard 18" Diameter Conical Tee With 16" Reduced Tap - Double Wall AL294C/AZ - 18FCGCT16-CA0 Corrosion protected and pressure rated...
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$551.23
Metal-Fab Corr/Guard 18" Diameter Wall Support - Double Wall AL294C/430SS - 18FCGWS-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
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$635.39
Metal-Fab Corr/Guard 18" Diameter Tee Cap Less Drain - Double Wall AL294C/316SS - 18FCGTCN-C60 Corrosion protected and pressure rated Corr/Guard has been...
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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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$409.06
Metal-Fab Corr/Guard 18" Diameter Reducing Connector 18" To 16" - Single Wall - 18FCGSW16RC Corrosion protected and pressure rated Corr/Guard has been a...
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$1,172.55
Metal-Fab Corr/Guard 18" Diameter 90 Deg Manifold Tee With 14" Reduced Tap - Double Wall AL294C/430SS - 18FCGT14-C30 Corrosion protected and pressure...
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$955.66
Metal-Fab Corr/Guard 18" Diameter Eccentric Increaser 18" To 24" - Single Wall - 18FCGSWEI24 Corrosion protected and pressure rated Corr/Guard has been a...
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$1,374.91
Metal-Fab Corr/Guard 18" Diameter Conical Tee With 14" Reduced Tap - Double Wall AL294C/AZ - 18FCGCT14-CA0 Corrosion protected and pressure rated...
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$667.26
Metal-Fab Corr/Guard 18" Diameter Drain Section - Double Wall AL294C/430SS - 18FCGDS-C30 Corrosion protected and pressure rated Corr/Guard has been a...
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$1,642.77
Metal-Fab Corr/Guard 18" Diameter Conical Tee With 14" Reduced Tap - Double Wall AL294C/304SS - 18FCGCT14-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...

$1,545.57
Metal-Fab Corr/Guard 18" Diameter Conical Tee With 16" Reduced Tap - Double Wall AL294C/430SS - 18FCGCT16-C30 Corrosion protected and pressure rated...
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$981.97
Metal-Fab Corr/Guard 18" Diameter Conical Tee With 16" Reduced Tap - Single Wall - 18FCGSWCT16 Corrosion protected and pressure rated Corr/Guard has been...
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$1,267.82
Metal-Fab Corr/Guard 18" Diameter Tapered Increaser 18" To 24" - Double Wall AL294C/430SS - 18FCGTI24-C30 Corrosion protected and pressure rated...
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$542.62
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 4-12 Pitch - Double Wall AL294C/430SS - 18FCGFPF4-C30 Corrosion protected and pressure rated...
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$727.60
Metal-Fab Corr/Guard 18" Diameter Reducing Connector 18" To 16" - Double Wall AL294C/316SS - 18FCG16RC-C60 Corrosion protected and pressure rated...
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$930.76
Metal-Fab Corr/Guard 18" Diameter Variable Length - Double Wall AL294C/430SS - 18FCGVL22-C30 Corrosion protected and pressure rated Corr/Guard has been a...
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$490.43
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 10-12 Pitch - Double Wall AL294C/AZ - 18FCGFPF10-CA0 Corrosion protected and pressure rated...
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$536.97
Metal-Fab Corr/Guard 18" Diameter Wall Support - Double Wall AL294C/AZ - 18FCGWS-CA0 Corrosion protected and pressure rated Corr/Guard has been a field...
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$1,203.49
Metal-Fab Corr/Guard 18" Diameter Eccentric Increaser 18" To 20" - Double Wall AL294C/316SS - 18FCGEI20-C60 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...

$542.62
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 11-12 Pitch - Double Wall AL294C/430SS - 18FCGFPF11-C30 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...

$514.54
Metal-Fab Corr/Guard 18" Diameter Reducing Connector 18" To 17" - Double Wall AL294C/AZ - 18FCG17RC-CA0 Corrosion protected and pressure rated Corr/Guard...
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$1,083.27
Metal-Fab Corr/Guard 18" Diameter Variable Length - Double Wall AL294C/304SS - 18FCGVL22-C40 Corrosion protected and pressure rated Corr/Guard has been a...
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$1,365.62
Metal-Fab Corr/Guard 18" Diameter Conical Tee With 12" Reduced Tap - Double Wall AL294C/430SS - 18FCGCT12-C30 Corrosion protected and pressure rated...
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$585.92
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 9-12 Pitch - Double Wall AL294C/304SS - 18FCGFPF9-C40 Corrosion protected and pressure rated...
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$893.35
Metal-Fab Corr/Guard 18" Diameter Eccentric Increaser 18" To 20" - Double Wall AL294C/AZ - 18FCGEI20-CA0 Corrosion protected and pressure rated Corr/Guard...
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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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$539.12
Metal-Fab Corr/Guard 18" Diameter Male Adapter - Double Wall AL294C/304SS - 18FCGMFC-C40 Corrosion protected and pressure rated Corr/Guard has been a...
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$645.29
Metal-Fab Corr/Guard 18" Diameter Reducing Connector 18" To 17" - Double Wall AL294C/304SS - 18FCG17RC-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...

$1,852.38
Metal-Fab Corr/Guard 18" Diameter Conical Tee With 14" Reduced Tap - Double Wall AL294C/316SS - 18FCGCT14-C60 Corrosion protected and pressure rated...
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$402.28
Metal-Fab Corr/Guard 18" Boiler Adapter (430SS/Insulated) - 18FCSBA-C31 Almost never undersold. If you find a better price e-mail us their quote and...
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$659.96
Metal-Fab Corr/Guard 18" Diameter Miter Cut - Double Wall AL294C/430SS - 18FCGMC-C30 Corrosion protected and pressure rated Corr/Guard has been a field...
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$557.78
Metal-Fab Corr/Guard 18" Diameter Plate Support - Double Wall AL294C/AZ - 18FCGPS-CA0 Corrosion protected and pressure rated Corr/Guard has been a field...
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$530.89
DuraVent 18" BV Round Type B Gas Vent 18" Adjustable Length Pipe - SKU: 18BV18A BVENT Almost never undersold. If you find a better price e-mail us their...

$550.86
Metal-Fab Corr/Guard 18" Diameter Variable Length - Double Wall AL294C/AZ - 18FCGVL10-CA0 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...

$490.43
Metal-Fab Corr/Guard 18" Diameter Fixed Pitch Flashing 8-12 Pitch - Double Wall AL294C/AZ - 18FCGFPF8-CA0 Corrosion protected and pressure rated...
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$402.28
Metal-Fab Corr/Guard 18" Boiler Adapter (430SS) - 18FCSBA-C30 Almost never undersold. If you find a better price e-mail us their quote and we'll likely...
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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...