I'm guessing by this statement I quoted from the link you provided that they are not designed to be cleaned. They are more likely designed to be disposed of.Apex'i wrote:The Power Intake is dry-type filter and is trouble free. Some of the problems associated with wet type cleaners, such as oil sticking to the air flow meter, are a thing of the past. The Power Intake is basically maintenance free. Filter replacement, when necessary, can be done at a very low cost.