Stack elbows are available in 45 degree and 90 degree configurations. Made from 28 gauge galvanized steel available assembled or unassembled.
| 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 |
Stack elbows are available in 45 degree and 90 degree configurations. Made from 28 gauge galvanized steel available assembled or unassembled.
Side take-off from duct. For connecting mixing boxes, diffusers, etc. to main duct trunk line.
Stoppers are manufactured using 28GA galvanized steel. 12″ diameter and up made from 26GA.