Patent ID: 8425645

Claim:
An air cleaner configured to provide clean intake air for a motor vehicle, comprising: a filter assembly including a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and configured to support the main filter and the auxiliary filter; an air-cleaner housing configured to fittably and removably accommodate the filter assembly and to enclose the main filter and the auxiliary filter separately when the filter assembly is installed therein, the air-cleaner housing comprising a housing body and a housing cover, the housing cover being sealably coupled to at least one of the housing body and the filter assembly, and configured to receive air flow from the main filter and the auxiliary filter, the housing body comprises a flange framing an open region configured to allow air to flow to the auxiliary filter; and a flow restrictor configured to restrict air flow to the auxiliary filter, the flow restrictor being inserted into the open region and retained there by the flange.