Duct Damper in Connect Collar: Manual Air Balancing
Alan Manufacturing Duct Damper in CONNECTING COLLAR. Options include Standard or Gasketed Duct Damper and Handle with OVAL REGULATOR DIAL. Available sizes 4" thru 16" Duct. Galvanized Steel Tube with End Crimp options.
Alan Manufacturing Duct Damper in CONNECTING COLLAR. Options include Standard or Gasketed Duct Damper with STANDARD REGULATOR Handle. Available sizes 4"thru 16" Duct. Galvanized Steel Tube with End Crimp options.
DuraTite Systems Plastic Take Off Collar with Damper. Use with Duct Board or Sheet Metal trunk lines - Flex or Metal pipe. Easy Install Fastening System and Adhesive Gasket. COLLAR ONLY Models available. Collar sizes 5"thru 12". VIDEO