11 Air filtering units; Air filters for air conditioning units; Air filters for air-conditioning units; Air filters for furnaces; Air filters for household use; Air filters for HVAC units; Air filters for industrial use; Air conditioning filters; Filters for air conditioning; Filters for air purifiers; Filters for use with apparatus for air conditioning
The mark consists of a stylized letter "P" formed by a ribbon that wraps behind it. All placed over a shaded square. Color is not claimed as a feature of the mark.