A multi-purpose inline duct fan for exhaust or supply air; ideal for commercial and residential ventilation applications. With the motor in the airstream, the FG 4XL series fan provides constant dissipation of heat build-up that gives the fan first-in-class longevity and reliability backed by an industry leading warranty. The fan's motor bearings are permanently sealed and self-lubricating for maintenance-free life. The housing is manufactured from a two-piece stamped, galvanized construction. The unique, folded seam procedure by Fantech joins the two halves to give the fan a first-in-class, airtight seal. The airtight casing allows installation in duct connections and in wet room applications to be possible. Easy installation and reduced maintenance requirements ensure you stay within your budget and you finish your project on your time. Choose from a variety of duct accessories to make your installation straightforward and time efficient.