General description This 3PCS Humidifier Replacement Filter is designed specifically for models HU4816 and FY2402. It is easy to install and ensures optimal performance of your humidifier. Constructed from high-quality paper material, this eco-friendly filter provides a reliable solution for maintaining clean and healthy air quality in your space. Technical specifications Applicable models: HU4816/FY2402 Material: Wood pulp fiber Package Contents: 3 x air purifier filter Measurement allowed error: +/- 1-3cm Usage Recommended replacement every 2-3 months depending on usage to maintain efficiency. Effectively removes impurities from the air, enhancing moisture output. Suitable for use in bedrooms, living rooms, and offices. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.