253 items
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MF4MH MFG #: 4MH- Manufacturer Name: Metal-Fab
- Option: Wall Band
- Vent Size: 4"
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MF4MIN5 MFG #: 4MIN5- Manufacturer Name: Metal-Fab
- Option: Increaser
- Vent Size: 4" X 5"
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MF4MIX6 MFG #: 4MIX6- Manufacturer Name: Metal-Fab
- Option: Increaser
- Vent Size: 4" X 6"
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MF4MIX7 MFG #: 4MIX7
- Manufacturer Name: Metal-Fab
- Option: Increaser
- Vent Size: 4" X 7"
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MF4MIX8 MFG #: 4MIX8
- Manufacturer Name: Metal-Fab
- Option: Increaser
- Vent Size: 4" X 8"
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MF4MRO MFG #: 4MRO- Manufacturer Name: Metal-Fab
- Option: Adapter
- Vent Size: 4"
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MF4MSP MFG #: 4MSP- Manufacturer Name: Metal-Fab
- Option: Roof Support
- Vent Size: 4"
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MF4MVC MFG #: 4MVC- Manufacturer Name: Metal-Fab
- Option: Collar
- Vent Size: 4"