4 Pack HY4866 H13 True HEPA Replacement Filters Compatible with MORENTO/WESTHEY HY4866 Air Purifier and YIOU M1 Air Purifier, High-Efficiency 4-in-1 Filter Replacements Activated Carbon Filter

Compatible Models: This high-efficiency replacement filter Compatible with MORENTO HY4866 air purifier, WESTHEY HY4866 air purifier and YIOU M1 air purifier. Note: Please confirm purifier model number before ordering to avoid mismatch. 4-in-1 Filtration System: Our filter has 4 layers of filtration including electrostatic cotton, nylon pre-filter, H13 true HEPA filter paper and honeycomb activated Carbon filter layer, which provides multi-functional filtration of tiny airborne particles, effectively filter 99.99% of airborne particles as small as 0.3 microns. Upgraded Version: The HY4866 replacement filter adds a layer of removable electrostatic cotton on the surface, an extra layer of filtration extends the life of the replacement filter. Package Includes: 4 Pack H13 true HEPA HY4866 replacement filters with electrostatic cotton. Replacement filters typically have a life expectancy of 2200 hours and we recommend you replace them every 3-6 months depending on your environment and usage. Our package can be replaced twice and the package lasts longer. NOTE: Replacement filters are simple to change. After turning off the machine by pressing and holding the power button, replace the replacement filter with the printed “FRONT” side facing outward and the activated carbon side facing inward. After replacement is complete, press and hold the filter button for 5 seconds until you hear 3 beeps to complete the filter indicator reset.