Round to Oval Straight Boots are manufactured with 30 gauge galvanized steel.
| Part Number | Description | UOM | Ctn.Qty |
| 4DT05 | (M) 5″ TTO DOUBLE | EA | 5 |
| 4DT06 | (M) 6″ TTO DOUBLE | EA | 2 |
Round to Oval Straight Boots are manufactured with 30 gauge galvanized steel.
Cold Air Drop Kits are manufactured using 28 gauge galvanized steel.
Stack elbows are available in 45 degree and 90 degree configurations. Made from 28 gauge galvanized steel available assembled or un assembled.
Duct Increasers are manufactured using standard or 26 gauge galvanized steel.