Cold Air Drop Kits are manufactured using 28 gauge galvanized steel.
| Part Number | Description | UOM | Ctn.Qty |
| 4DT05 | (M) 5″ TTO DOUBLE | EA | 5 |
| 4DT06 | (M) 6″ TTO DOUBLE | EA | 2 |
Cold Air Drop Kits are manufactured using 28 gauge galvanized steel.
Round Pipe is manufactured using galvanized steel with a snap lock.
Joist Lining is manufactured using standard gauge galvanized steel.
Connects pipe of different diameters where air flows from larger into smaller diameter pipe.