- Features
- Specifications
- Documents
Features
- Stamp lock construction providing a more air tight boot
- Die punched parts
- Consistent quality and size
- Hemmed collar
- 2 in throat
Standard Approvals
- ASHRAE
- ASTM A653 CS Type B
Finish:
Hot Dipped Galvanized
Length:
12 in
Material:
Steel
Size:
7 in Dia
Width:
2-1/4 in