36 items
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Famous Supply- Duct Height: 29-1/2 in
- Duct Width: 9-1/2 in
- Effective Area: 240 sq. in
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Famous Supply- Duct Height: 11-1/2 in
- Duct Width: 7-1/2 in
- Effective Area: 72 sq. in
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Famous Supply- Duct Height: 9-1/2 in
- Duct Width: 5-1/2 in
- Effective Area: 45 sq. in
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Famous Supply- Duct Height: 11-1/2 in
- Duct Width: 3-1/2 in
- Effective Area: 35 sq. in
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Famous Supply- Duct Height: 23-1/2 in
- Duct Width: 9-1/2 in
- Effective Area: 191 sq. in
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Famous Supply- Duct Height: 9-1/2 in
- Duct Width: 3-1/2 in
- Effective Area: 29 sq. in
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Famous Supply- Duct Height: 9-1/2 in
- Duct Width: 7-1/2 in
- Effective Area: 59 sq. in
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Famous Supply- Duct Height: 11-1/2 in
- Duct Width: 11-1/2 in
- Effective Area: 113 sq. in