booster fan 4''

The Inductor 4 in. In-Line Duct Fan is an energy efficient way to help circulate heated or cooled air around a room. This duct booster fan is designed to be installed in almost any position in your home or office duct work. This duct fan has a crimp and bead design on both ends for an easy installment. It can fit 4 in. flexible or rigid ducts. This duct fan has a thermally protected Class B motor with large oil reservoir. Made of corrosion-resistant metal Energy efficient way to improve comfort by circulating heated or cooled around a room Can be installed in almost any position in your home or office duct work Thermally protected Class B motor 65 CFM free air and max boosted 80 CFM Includes installment screws ETL (C/US) listed Tested to ANSI/UL standard 705 & CSA 22.2