 Gravity Vent - Square
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GVS1113T
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Square Steel Gravity Vent with 16 inch diameter throat. 2230 CFM at 1200 FPM free area velocity.
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GVS1113T-F
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Square Steel Gravity Vent with 16 inch diameter throat. 2230 CFM at 1200 FPM free area velocity. Flat Base Configuration.
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GVS15T
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Square Steel Gravity Vent with 19-7/8 inch diameter throat. 2760 CFM at 1200 FPM free area velocity.
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GVS15T-F
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Square Steel Gravity Vent with 19-7/8 inch diameter throat. 2760 CFM at 1200 FPM free area velocity. Flat Base Configuration.
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GVS1820T
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Square Steel Gravity Vent with 23 inch diameter throat. 3400 CFM at 1200 FPM free area velocity.
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GVS1820T-F
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Square Steel Gravity Vent with 23 inch diameter throat. 3400 CFM at 1200 FPM free area velocity. Flat Base Configuration.
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GVS24T
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Square Steel Gravity Vent with 26 inch diameter throat. 4400 CFM at 1200 FPM free area velocity.
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GVS30T
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Square Steel Gravity Vent with 33 inch diameter throat. 7000 CFM at 1200 FPM free area velocity.
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GVS36T
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Square Steel Gravity Vent with 37 inch diameter throat. 9000 CFM at 1200 FPM free area velocity.
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