Rectangular Duct & Fittings are fabricated to the latest
SMACNA standards using prime grade, G-90 lock forming quality
galvanized steel. Duct Components are simplified into basic fitting
types for easy ordering. Computer generated, color-coded labels
reduce sorting on the jobsite. Duct can be fabricated with S &
Drive, Ward Connectors, or Ductmate 45 connectors. Rectangular Duct
can be Bare, Lined, or Dual Wall with perforated inner shell.