61 items
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Famous Supply- Duct Height: 13-1/2 in
- Duct Width: 5-1/2 in
- Effective Area: 64 sq. in
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Famous Supply- Duct Height: 29-1/2 in
- Duct Width: 5-1/2 in
- Effective Area: 140 sq. in
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Famous Supply- Duct Height: 11-1/2 in
- Duct Width: 5-1/2 in
- Effective Area: 55 sq. in
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Famous Supply- Duct Height: 29-1/2 in
- Duct Width: 7-1/2 in
- Effective Area: 190 sq. in
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Famous Supply- Duct Height: 23-1/2 in
- Duct Width: 7-1/2 in
- Effective Area: 151 sq. in
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Famous Supply- Duct Height: 23-1/2 in
- Duct Width: 5-1/2 in
- Effective Area: 111 sq. in
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Famous Supply- Duct Height: 13-1/2 in
- Duct Width: 7-1/2 in
- Effective Area: 87 sq. in
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Famous Supply- Duct Height: 11-1/2 in
- Duct Width: 9-1/2 in
- Effective Area: 92 sq. in