The ReVent 110 CFM RVSH110 with SheetLock is the perfect blend of high-performance, design, and innovative, easy installation. SheetLock installs in HALF THE TIME watch the quick install video. The humidity sensing switch automatically turns your fan on when moisture is present. The switch also includes a 0-60 minute timer and manual on/off. The designer shield adds a modern look, is paintable to match any dcor, and is easy to clean. All while being ultra-quiet at 1.3 sones.High airflow, ultra-quiet operationSheetLock mounts directly to sheetrock – no mounting screws or wood needed! Watch the 60-second installation video in image sectionIncluded humidity sensing switch helps prevent mold and mildew automatically – 0-60 minute timer and manual on/off options includedRoom-side installation – no attic access neededDesigner shield cover adds a modern look, is paintable, and easy to cleanSlim housing fits more ceilings or wallsENERGY STAR3-year warranty