79 items
-
Famous Supply
- Duct Height: 3-3/4 in
- Duct Width: 9-5/8 in
- Effective Area: 27 sq. in
-
Famous Supply
- Duct Height: 3-3/4 in
- Duct Width: 11-5/8 in
- Effective Area: 32 sq. in
-
Famous Supply
- Blade Spacing: 1/2 in
- Duct Height: 7-1/2 in
- Duct Width: 11-1/2 in
-
Famous Supply
- Duct Height: 3-3/4 in
- Duct Width: 13-5/8 in
- Effective Area: 37 sq. in
-
Famous Supply
- Duct Height: 3-3/4 in
- Duct Width: 13-5/8 in
- Effective Area: 37 sq. in
-
Famous Supply
-
Famous Supply
- Series: 350
- Size: 4 x 12 in
- Material: Steel
-
Famous Supply
- Series: 350
- Size: 6 x 10 in
- Material: Steel