Designed for nearly silent operation, Models SP-80 and SP-110 feature EC motor technology and are rated for performance from 30–110 cfm and up to 0.6 in. wg. Adjustable low CFM setting allows precise adjustment to prevent over-ventilating and maximize efficiency, while adjustable time delay sets how long fan will run on high speed before returning to continuous lower speed. Areas of potential use include rest rooms, offices, and storage/janitorial rooms.
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