9 Hoover Duros Type SR Vacuum Bags with MicroFiltration Vacuum Cleaners, HO-101010SR, 401010SR, S3590, S3591, S3590HV Contains 9 Genuine Hoover SR Bags Part 401011SR Fits Hoover S3590, S3590B Duros Canister Models Fits Hoover Duros Canister Vacuum. Also Fits The Powerstar Seneca Vacuum and Maytag Legacy Canister. Genuine OEM Part# 401010SR, 401011SR