47 items
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- Base Length: 16-15/16 in
- Base Width: 20-1/4 in
- Finish: Galvanized
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- Color: Silver
- Country of Origin: US
- Domestic/Import: Domestic
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- Base Length: 25-3/8 in
- Base Width: 21-3/16 in
- Manufacturer Name: Duravent Group, Selkirk Corporation
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- Base Length: 19 in
- Base Width: 11 in
- Country of Origin: MX, US
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- Base Length: 17 in
- Base Width: 17 in
- Country of Origin: MX
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- Base Length: 16 in
- Base Width: 19-1/8 in
- Finish: Galvanized
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SMWITCH MFG #: .5FRF
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SM1818ARF MFG #: S1818ARF
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SM2020ARF12 MFG #: S2020ARFS12