General description This 3PCS HU4101 Humidifier Replacement Filter is designed for easy installation and wide compatibility with models HU4101, HU4901, HU4902, and HU4903. Constructed from high-quality paper material, this eco-friendly filter ensures optimal performance and long-lasting use while being environmentally responsible. It effectively removes impurities from the air, significantly enhancing moisture output and maintaining a cleaner indoor environment. Technical specifications Material: Wood pulp fiber Color: White Package Contents: 3 x air purifier filter Measurement allowed error: +/- 1-3 cm Recommended Replacement Schedule To maintain the highest efficiency of your humidifier, it is advised to replace the filter every 2-3 months depending on usage. Regular replacement helps keep the humidifier running smoothly and ensures the air quality in your space is consistently clean and healthy. Usage This filter is versatile and suitable for use in various environments such as