The MRCOOL MRFILTER01 MrBreeze Replacement Filter is an air filtration component designed to capture airborne dust and particles as air moves through compatible HVAC equipment. It helps maintain cleaner airflow by filtering contaminants before air is distributed into the living space. This replacement filter is intended for compatible MRCOOL MrBreeze indoor air conditioning and heatin... https://www.partshnc.com/mrcool-mrbreeze-replacement-filter-mrfilter01