Compatible with Shark FLEX DuoClean HV390, HV391, HV392, HV394Q Vacuum Cleaner. Compatible with SharkFLEX DuoClean Corded Ultra-Light Vacuum HV390 series: HV390 HV391 HV392. Filter kit for Shark DuoClean HV390UK HV391 HV390UKT Flex Stick Vacuum Cleaner.
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