Hoffman T6S3RSS Fan Shroud, Type 3R, Fits 6in fan, SS Type 304Fan shroud kits are available for outdoor enclosure applications requiring Type 3R ventilation protection from falling rain, sleet and snow. Product Specifications BRANDHoffman® MANUFACTURERS PART NUMBERT6S3RSS TYPE3R CONSTRUCTIONSs Type 304 DESCRIPTIONFan Shroud Kit FITS6in Fan MATERIALStainless Steel