Duct Increasers are manufactured using standard or 26 gauge galvanized steel.
| Part Number | Description | UOM | Ctn.Qty |
| GSE40490 | (M) 4″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE40590 | (M) 5″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE40690 | (M) 6″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE40790 | (M) 7″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE40890 | (M) 8″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE41090 | (M) 10″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE41290 | (M) 12″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE41490 | (M) 14″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE41690 | (M) 16″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE41890 | (M) 18″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE42090 | (M) 20″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE42290 | (M) 22″ 4PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE50690 | (M) 6″ 5PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE50890 | (M)8″ 5PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE51090 | (M)10″ 5PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE51290 | (M)12″ 5PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE51490 | (M)14″ 5PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE51690 | (M)16″ 5PC ADJ SPIRAL EL 90DEG | EA | 1 |
| GSE52490 | (M)24″ 5PC ADJ SPIRAL EL 90DEG | EA | 1 |
Duct Increasers are manufactured using standard or 26 gauge galvanized steel.
Oval Pipe is manufactured with a snap lock and is available in warm air or 30 gauge galvanized steel
Exhaust Hoods/Dryer Vents are manufactured with galvanized steel, aluminum, stainless steel and satin coated steel.