60 items
-
Famous Supply- Duct Height: 9-1/2 in
- Duct Width: 9-1/2 in
- Effective Area: 76 sq. in
-
Famous Supply- Duct Height: 19-1/2 in
- Duct Width: 11-1/2 in
- Effective Area: 191 sq. in
-
Famous Supply- Duct Height: 29-1/2 in
- Duct Width: 23-1/2 in
- Effective Area: 592 sq. in
-
Famous Supply- Duct Height: 29-1/2 in
- Duct Width: 19-1/2 in
- Effective Area: 489 sq. in
-
Famous Supply- Blade Spacing: 1/2 x 2 in
- Effective Area: 0.74 sq-ft
- Grate Type: Rectangular
-
Famous Supply
- Blade Spacing: 1/2 x 2 in
- Effective Area: 0.301 sq-ft
- Grate Type: Rectangular
-
Famous Supply- Blade Spacing: 1/2 in Horizontal/2 in Vertical
- Duct Height: 3-7/8 in
- Duct Width: 23-7/8 in
-
Famous Supply
- Blade Spacing: 1/2 in Horizontal/2 in Vertical
- Duct Height: 3-7/8 in
- Duct Width: 29-7/8 in