This standard specifies terms definitions, classification, technical requirements, testing methods, inspection rules, marking, packing, transport, and storage of air cleaner. This standard is applicable to air cleaner with single-phase rated voltage 220V or three-phase rated voltage 380V for household and similar usage. And it is also applicable to air cleaner used by non-professional in public places. This standard is not applicable to: Air cleaner special for automobile purpose; Air cleaner special for industrial purpose; Air cleaner used in the specific environment places at where corrosive and explosion gases (like dust, vapor and gasses) are often generated; Air cleaner for medical purpose.