The MRCOOL MRFILTER01 MrBreeze Replacement Filter is a HEPA replacement filter designed for compatible MRBREEZE MRFAN36 bladeless fan and air purifier units. It works by filtering circulated air through its pleated media, helping capture airborne allergens, dust, pollutants, and other unwanted particles. This filter supports the air-purifying function of MRCOOL MRBREEZE fan equipment ... https://www.partshnc.com/mrcool-mrbreeze-replacement-filter-mrfilter01