Connects pipe of different diameters where air flows from larger into smaller diameter pipe.
| Part Number | Description | UOM | Ctn.Qty |
| OFI34 | (M) 3″- 4″ OFFSET FAN INCREASER | EA | 10 |
| OFI35 | 3″- 5″ OFFSET FAN INCREASER | EA | 66 |
| OFI36 | (M) 3″- 6″ OFFSET FAN INCREASER | EA | 36 |
| OFI45 | 4″- 5″ OFFSET FAN INCREASER | EA | 66 |
| OFI46 | 4″- 6″ OFFSET FAN INCREASER | EA | 40 |
| OFI56 | (M) 5″- 6″ OFFSET FAN INCREASER | EA | 10 |
Connects pipe of different diameters where air flows from larger into smaller diameter pipe.
Flashings are manufactured 28 gauge galvanized steel. Pitch Pocket design.
Airtight, easy install, round duct take off is available in various gauges of galvanized steel; with or without damper.
Block Ends are manufactured using 28 gauge galvanized steel.