All-steel construction. 1/3 in fins set at 20 deg angle. 7/8 in margin turnback. Single valve volume control damper. Painted grilles have a durable powder-coated finish.
- 1/3 in fins set at 20 deg angle
- 7/8 in margin turnback
- Single-valve volume control damper
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Catalog
https://assets.unilogcorp.com/187/ITEM/DOC/Imperial_100036698_Catalog.pdf