HIGH QUALITY AIR FILTER designed to replace your humidifier filter and help restore clean air. HEALTHIER LIFESTYLE! Premium humidifier filter constructed with high-quality materials to help reduce the presence of limestone, bacteria, germs, and fungi in the air. Promotes safe and clean humidifier performance. EASY TO INSTALL – simply remove the old filter and insert the new one for quick maintenance and optimal function. ANTIMICROBIAL TREATMENT helps inhibit the growth and spread of mold, fungus, and bacteria on the filter. Effectively reduces minerals and pollutants from water. Ideal replacement for natural cool moisture humidifiers, enhancing water cleanliness and overall air quality. Replace filter every 2 weeks for best results. Color: White Material: Composite material Package Contents: 4 x Humidifier Filters Note: The package includes only the items listed. Other products are not included. Light reflection and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.