253 items
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MF3MF12 MFG #: 3MF-12- Manufacturer Name: Metal-Fab
- Option: Roof Flashing
- Vent Size: 3"
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MF3MFS MFG #: 3MFS- Manufacturer Name: Metal-Fab
- Option: Firestop
- Vent Size: 3"
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MF3MFT MFG #: 3MFT- Manufacturer Name: Metal-Fab
- Option: Roof Flashing
- Vent Size: 3"
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MF3MH MFG #: 3MH- Manufacturer Name: Metal-Fab
- Option: Wall Band
- Vent Size: 3"
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MF3MIN4 MFG #: 3MIN4- Manufacturer Name: Metal-Fab
- Option: Increaser
- Vent Size: 3" X 4"
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MF3MIX5 MFG #: 3MIX5- Manufacturer Name: Metal-Fab
- Option: Increaser
- Vent Size: 3" X 5"
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MF3MIX6 MFG #: 3MIX6
- Manufacturer Name: Metal-Fab
- Option: Increaser
- Vent Size: 3" X 6"
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MF3MIX7 MFG #: 3MIX7
- Manufacturer Name: Metal-Fab
- Option: Increaser
- Vent Size: 3" X 7"