Oval Stackhead is manufactured using 30 gauge galvanized steel.
| 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 |
Oval Stackhead is manufactured using 30 gauge galvanized steel.
Beaded Duct is manufactured using galvanized steel.
Draft Diverter is manufactured using 28 gauge galvanized steel.
Aluminum Elbows are available in 90 degree configurations and are fully adjustable. Manufactured from aluminum 0.016″ and 0.025″ thick.