ABFS Low Profile 2X4 Multi Speed Exhaust Fan

ABFS0511D Low Profile Multi Speed Bathroom Exhaust Fan is a low noise fan for use in new construction or remodel applications. Designed to fit skinny 2×4 construction (or greater) and approved for installation in either an insulated ceiling or wall. White finish. Quiet DC motor with multi speed control (50-80-110 CFM) 0.3 to 0.9 Sones (suitable for bathrooms up to 110 square feet). 4 inch oval duct adapter included. 6 year warranty. ETL listed. Energy Star. Title 24 compliant. ETL listed for tub/shower combination when used with GFCI branch circuit wiring.