SAKEGDY Enhanced Version HY4866 Replacement Filter, Compatible with MORENTO HY4866 Air Cleaner Purifier and YIOU M1 Purifier, 4 Pack True HEPA 3-Stage Filter+ Extra 4 Pack Pre-filter.

Compatible Model Compatible with MORENTO HY4866 Air Purifier and YIOU M1 Air Purifier. Filter Size and Quantity Product dimensions: 10"x 1.1"x 11.2"inches. Package includes 4×H13 True HEPA 3-Stage Filter + Extra 4×Pre-filter. Improved Air Quality The filter effectively captures airborne particles and reduces unpleasant odors , improving indoor air quality. Breathe in fresh air and alleviate coughing, sneezing caused by air pollutants. How to get optimal performance? 1.To ensure optimal performance of your purifier, it is necessary to regularly check the usage of the filter and replace it in a timely manner to ensure the effectiveness of air filtration. 2.We recommend replace the pre-filter every 1-2 weeks and replacing the HEPA filter every 4-6 months.