information Rufus AI 【𝐑𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭 𝐅𝐢𝐥𝐭𝐞𝐫 𝐟𝐨𝐫 𝐇𝐘𝟒𝟖𝟔𝟔 𝐀𝐢𝐫 𝐏𝐮𝐫𝐢𝐟𝐢𝐞𝐫𝐬】 Our premium HY4866 replacement filter works fully compatible with MORENTO HY4866 & HY4866-WF, WESTHEY HY4866, YIOU M1 Air Purifier. Compared to Part # HY4866U. Please confirm your machine's brand and model before purchasing. 【𝐌𝐮𝐥𝐭𝐢𝐩𝐥𝐞 𝐒𝐭𝐚𝐜𝐤 𝐅𝐢𝐥𝐭𝐞𝐫𝐢𝐧𝐠 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲】Our HY4866 hepa filters are fully compatible with MORENTO air purifier, includes Fine Pre-Filter, HEPA Filter and Honeycomb Activated Carbon Particles. This system effectively attaches 99.97% of the air particles ranging from small to 0.3 microns, such as dust, smoke, pollen, hair, and odor. so that you can enjoy a new and comfortable air environment all the time. 【𝐔𝐩𝐠𝐫𝐚𝐝𝐞𝐝 𝐀𝐜𝐭𝐢𝐯𝐚𝐭𝐞𝐝 𝐂𝐚𝐫𝐛𝐨𝐧 𝐂𝐨𝐧𝐭𝐞𝐧𝐭】 Different from the standard version, the superior enhanced version filter is covered with a layer of electrostatic cotton, and the activated carbon content in the filter element is higher. Extending the service life of the filter element. The High-Efficiency activated carbon filter absorbs pet odors, VOCs, fumes, smoke and unwanted odors, which is the best choice for wildfire smoke. Let you live the health of the air at any time. 【𝐌𝐨𝐧𝐞𝐲 𝐒𝐚𝐯𝐢𝐧𝐠 𝐏𝐚𝐜𝐤𝐚𝐠𝐞】This package contains HY4866 True HEPA filters in enhanced version x 4 Pack, You can enjoy high-quality HY4866 replacement filter elements for less money.