The ReVent 50 CFM RVS50 with SheetLock is the perfect blend of high-performance, design and innovative easy installation. SheetLock installs in half the time. Its an installation you can do yourself.Extracts air at a rate of 50 CFM to properly ventilate bathrooms up to 50 sq. ft.Ultra-quiet motor operates at only 0.5 sonesSheet Lock fast, screwless fan mounting mounts directly to sheetrock – with no attic access requiredShield is easily paintable to match any roomUL listed for use over a bathtub or shower when installed in a GFCI protected circuitIncludes trim ring to hide and seal the rough-cut opening