Hoover 401011SR Vacuum Bag, 3-Pack Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; S3591,S3590,S3592 This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 401010SR Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Hoover This bag (part number 401011SR) is for vacuums Follow the instructions in the owner's manual when installing this part