Category:Collars
Material:Galvanized Steel
Gauge:30ga / 28ga
FCL designed to accommodate R-4 and R-6 ductboard.
180º hemmed circumference/no raw edges.
FCL flange dimension (.700") exceeds Florida building code requirement of .625" (FL Building Code #603.5.6).
FCL: One piece wide tab collar for R-4/R-6 ductboard