Features: Breathe easier with the FY2402/30 Replacement Filters for HU4816 humidifier. Improve indoor humidity levels for a comfortable living environment. Efficiently filter water molecules for fresh and moist air. Prevent harmful substances from entering the air. Suitable for those who need to maintain specific indoor humidity levels. Great for dry climates or areas with seasonal changes. Also beneficial for individuals with respiratory conditions. Enhances the air quality in bedrooms, living rooms, and offices. Enjoy the benefits of fresh and moist air in work environments. Easy installation and replacement. Suitable for HU4816 humidifiers. Breathe in moisturized air for relief from dryness. Specifications: Material: Cotton Applicable Model: For FY2402/30 HU4816 Size: As Picture Shows Package Includes: 3x Filters note: Please allow 1-2cm errors due to manual measurement. Please make sure you donot mind before order. Due to the differences between different monitors, the picture may not reflect the actual color from the item.