36 items
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Famous Supply- Duct Height: 13-1/2 in
- Duct Width: 11-1/2 in
- Effective Area: 131 sq. in
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Famous Supply- Duct Height: 29-1/2 in
- Duct Width: 11-1/2 in
- Effective Area: 289 sq. in
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Famous Supply- Duct Height: 13-1/2 in
- Duct Width: 3-1/2 in
- Effective Area: 41 sq. in
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Famous Supply- Duct Height: 19-1/2 in
- Duct Width: 9-1/2 in
- Effective Area: 159 sq. in
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Famous Supply- Duct Height: 29-1/2 in
- Duct Width: 13-1/2 in
- Effective Area: 340 sq. in
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Famous Supply- Duct Height: 19-1/2 in
- Duct Width: 7-1/2 in
- Effective Area: 126 sq. in
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Famous Supply- Duct Height: 29-1/2 in
- Duct Width: 3-1/2 in
- Effective Area: 90 sq. in
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Famous Supply- Duct Height: 23-1/2 in
- Duct Width: 11-1/2 in
- Effective Area: 230 sq. in