4 Pack HY4866 Genuine Air Purifier Replacement Filter, Enhanced Version for HY4866 & HY4866-WF

Enhanced Activated Carbon Content: Higher carbon content for better odor absorption and particle interception. Electrostatic Cotton Layer: Provides additional filtration efficiency by capturing more large particles and pollutants. Four-Piece Package: Includes two genuine enhanced version air filters for extended use. Certified Fit and Maximum Filtration: Ensures compatibility and optimal performance with HY4866 and HY4866-WF air purifiers. Easy Replacement: Follow the instructions to replace the filter, turn off the power, and reset the filter by holding the button for 5 seconds.