Dura Vent 3GVWS 3" Wall Strap
Dura Vent 3GVWS 3" Wall Strap Use to provide support for offsets and horizontal runs. Position every 4' to support vertical common vent. Use also with DuraConnect or DuraConnect II. 10" Type B gas vent (11" OD) uses a 7" DuraPlus Chimney Wall Strap.
