Extremely efficient, Can-Fans come in a heavy duty metal, powder-coated housing, and include a grounded power cord. Rated for continuous operation, these popular in-line fans can be used in commercial or residential applications. Compact, quiet, easy installation, certified to CSA, UL standards, and a 5 year warranty. Fan sizes correspond to the diameter of the ducting that will be needed. May be paired with Can-Filters to give true CFM.