Imperial Register Universal Boot, 30 ga, Steel, Galvanized, 3 x 10 x 4 in, For In-Line Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register Universal Boot, 30 ga, Steel, Galvanized, 3-1/4 x 10 x 5 in, For In-Line Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register Universal Boot, 30 ga, Steel, Galvanized, 3-1/4 x 10 x 4 in, For In-Line Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register Universal Boot, 30 ga, Steel, Galvanized, 3 x 10 x 5 in, For In-Line Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register End Boot, 30 ga, 90 deg Angle, Steel, Galvanized, 3-1/4 x 10 x 5 in, For Right Angle Center End Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register Universal Boot, 30 ga, Steel, Galvanized, 4 x 10 x 5 in, For In-Line Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register End Boot, 30 ga, 90 deg Angle, Steel, Galvanized, 3 x 10 x 5 in, For Right Angle Center End Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Wall Register Boot, Center, 10 in Width X 4 in Depth, 6 in Collar, Galvanized

Imperial Register Angle Boot, 30 ga, 90 deg Angle, Steel, Galvanized, 3 x 10 x 4 in, For Right Angle Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register End Boot, 30 ga, 90 deg Angle, Steel, Galvanized, 4 x 10 x 4 in, For Right Angle Center End Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register End Boot, 30 ga, 90 deg Angle, Steel, Galvanized, 3-1/4 x 10 x 4 in, For Right Angle Center End Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register Angle Boot, 30 ga, 90 deg Angle, Steel, Galvanized, 3-1/4 x 10 x 4 in, For Right Angle Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register Universal Boot, 30 ga, Steel, Galvanized, 4 x 10 x 4 in, For In-Line Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register End Boot, 30 ga, 90 deg Angle, Steel, Galvanized, 4 x 10 x 5 in, For Right Angle Center End Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Universal Boot, Round, 3-1/4 x 10 x 6 in, 10-1/4 in Width, 7 in Height, 6 in Depth, 30 ga Thickness, Galvanized, Used For In-Line Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register Universal Boot, 30 ga, Steel, Galvanized, 3 x 10 x 6 in, For In-Line Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register Angle Boot, 30 ga, 90 deg Angle, Steel, Galvanized, 3 x 10 x 5 in, For Right Angle Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register Angle Boot, 30 ga, 90 deg Angle, Steel, Galvanized, 4 x 10 x 4 in, For Right Angle Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Register Angle Boot, 30 ga, 90 deg Angle, Steel, Galvanized, 3-1/4 x 10 x 5 in, For Right Angle Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial Angle Register Boot, 4 x 10 x 5 in, 90 deg, 16-3/4 in Width, 20-1/2 in Height, 25 in Depth, 30 ga Thickness, Galvanized, Used For Right Angle Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Imperial End Boot, 3 x 10 x 6 in, 90 deg, 30 ga Thickness, Galvanized, Used For Right Angle Center End Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30 gauge.

Imperial Universal Boot, Round, 4 x 10 x 6 in, 10-1/4 in Width, 6 in Height, 6 in Depth, 30 ga Thickness, Galvanized, Used For In-Line Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Wall Register Boot, 12 in Width X 2-1/4 in Depth, 6 in Collar, 90 deg, Galvanized

Wall Stack Boot, 10 in Width x 3-1/4 in Depth, 6 in Collar, 90 deg, Galvanized

Imperial Wall Register Boot, Straight Back, 10 in Width X 3 in Depth, 6 in Collar, Galvanized

Imperial Wall Register Boot, Standard Straight Back, 12 in Width X 4 in Depth, 6 in Collar, Galvanized

Imperial Angle Register Boot, Wall, 4 x 10 x 6 in, 90 deg, 10 in Width, 8 in Height, 8 in Depth, 30 ga Thickness, Galvanized, Used For Right Angle Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille

Wall Register Boot, 12 in Width X 4 in Depth, 6 in Collar, 90 deg, Galvanized

Imperial Register Angle Boot, 30 ga, 90 deg Angle, Steel, Galvanized, 3-1/4 x 10 x 6 in, For Right Angle Transition From Round Pipe or Insulated Flexible Duct to a Register or Grille