Round to Oval 90 degree boots are manufactured with 30GA 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 90 degree boots are manufactured with 30GA galvanized steel.
Flat one side increasers are manufactured using standard gauge galvanized steel.
Tee’s are available in aluminum.
Draft Diverter is manufactured using 28 gauge galvanized steel.