Fit for Shark Rocket for DuoClean HV380, HV380W, HV381, HV382, HV301, HV302, HV303, HV305, HV308, HV310, UV450, UV450 26, HV319Q, HV320, HV320W, HV321, HV324Q. Filter fine dust, filter and clean dust generated by tiny dust and, and reduce secondary pollution of air.
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