Hoover Canister Vacuum Power Nozzle Geared Belts 2 Pk Genuine Part # 440005136 Hoover Canister Vacuum Model SH40070,SH30050 Power Nozzle Geared Belt 2 Belt Only Fits Models : SH40075, SH-40075, SH40070, SH-40070, SH30050, SH-30050, SH30050CDI, SH-30050-CDI, SH40070CDI, SH-40070-CDI, SH40070FDI, SH-40070-CDI. Genuine Part # 440005136. Replace your belts every 3 to 6 months.