·Designed for HY4866: FETIONS air purifier filter is designed for FETIONS HY4866 air purifier and MO-RENTO HY4866 air purifier to ensure maximum air purification function. Our air filter can perfectly replace the original old filter of the same size and better quality, let your HY4866 air purifier maintain the best performance, bring fresh air all day long.

·True HEPA air purifier filter: H13 true HEPA air purifier filter replacement for HY4866 air purifier adopts H13 grade true HEPA filter and high-efficiency honeycomb activated carbon filter, which can capture 99.97% of airborne particles as small as 0.3 microns and automatically improve air quality.

·Excellent air purification performance: Our brand new air filter replacement has better purification effect than traditional HEPA filter, which can adsorb 99.97% of airborne particles as small as 0.3 microns, such as dust, hair, dander, lint, etc. It is a good choice for families with pets and smokers.

·Maintenance Tips: The service life of our filters is usually 2200 hours. It is recommended that you replace the filter every 6 months. After replacing the filter, press and hold the filter button for 5 seconds until you hear 3 beeps to complete the reset of the filter indicator.

·Excellent After-Sales Service: FETIONS is committed to providing high-quality products and attaches importance to customer experience and satisfaction. The size of our filters is the same as the original filters, please don't worry and buy with confidence. If you encounter any problems, please feel free to contact us, we will solve it for you as soon as possible.