Amazon.com: WuYan Washable Motor Foam Filter kit For Philips Power Pro Compact FC9331/09 FC9332/09 FC8010/01 Vacuum Cleaner Parts FC8010 : Industrial & Scientific
HEPA Filter for Philips FC9352 FC9330 FC8010/01 FC9332/09 Power Pro Compact Vacuum Cleaner Parts FC8010 Motor Foam Filter - AliExpress
Amazon.com: PrabuY HEPA Filters Compatible for Power Pro Compact FC9331/09 FC9332/09 FC8010/01 Vacuum Cleaner Parts Foam Filter (Color : 2) : Industrial & Scientific
For Philips FC9323 PowerPro Compact Hepa Filter Set + 4 Pieces Sponge (FC 8630/01,FC 8631/01,FC 8638,FC 8517) and Other Models - AliExpress