Product Description
- Locking positions .875", 1.125", 1.375", 1.625"
- Exhaust flaps stay closed when not in use.
- Lock-On Trim Ring simplifies installation.
- Includes 7" long aluminum tube (4" dia.)
TRI-BUILT® provides quality residential and commercial building materials that deliver professional results. By focusing on the professional contractor, TRI-BUILT® has become a recognized and trusted leader in the construction industry. From roofing and siding materials, windows, coatings, and more, TRI-BUILT® is a name you can trust at a competitive price.