36 items
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Famous Supply- Duct Height: 13-1/2 in
- Duct Width: 13-1/2 in
- Effective Area: 156 sq. in
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Famous Supply- Duct Height: 19-1/2 in
- Duct Width: 5-1/2 in
- Effective Area: 92 sq. in
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Famous Supply- Duct Height: 23-1/2 in
- Duct Width: 3-1/2 in
- Effective Area: 71 sq. in
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Famous Supply- Duct Height: 15-1/2 in
- Duct Width: 7-1/2 in
- Effective Area: 100 sq. in
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Famous Supply- Duct Height: 13-1/2 in
- Duct Width: 9-1/2 in
- Effective Area: 110 sq. in
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Famous Supply- Duct Height: 23-1/2 in
- Duct Width: 13-1/2 in
- Effective Area: 271 sq. in
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Famous Supply- Duct Height: 9-1/2 in
- Duct Width: 9-1/2 in
- Effective Area: 76 sq. in
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Famous Supply- Duct Height: 15-1/2 in
- Duct Width: 13-1/2 in
- Effective Area: 179 sq. in