Panasonic Super low profile in-line ventilation fan features insulated housing to prevent condensation/noise and offers adjustable airflow for multi-inlet balance. It has 8-Inch duct with tapered duct adapter for easy connection and five positions for easy installation. It includes joist/truss attachment brackets with suspension brackets and offers thermal fuse protection. It measures 22 Inch x 13-3/8 Inch x 26 Inch. Fan supports easy installation and helps to ventilate multiple areas with just one fan. Ceiling mount fan has the energy efficiency of 3.3 Watts and is designed to rotate at a speed of 1150 RPM. It has the current rating of 1.1 Amps and voltage rating of 120 Volts. It features low profile family design polypropylene grille and galvanized steel body for enhanced durability. It uses 4-Pole totally enclosed condenser motor for longer life and is rated for continuous run. Ventilation fan is UL listed and Energy Star qualified.