- High-Quality Reinforced Mesh Paper: Our WF813 humidifier filter replacement is crafted from durable reinforced mesh paper, ensuring longevity and effective performance. - Compatible Models: This filter is designed to replace models including Equate EQWF813, EQ 2119-UL; WF813, RCM832, RCM832N, DH832, DH830; RWF813, PCWF813, PCCM832N, AC813, PCCM-840; Duracraft DH-830; Robitusin DH-832, ACR-832, D13-C, HC-832; Sesame Street SH100 & SH200. Contact us for assistance with model compatibility. - Superior Craftsmanship: Our upgraded WF813 filter features advanced lower density structure technology and hot glue strips for enhanced durability. It is identical to the original filter, providing higher efficiency and reduced pressure, resulting in improved performance and a longer lifespan. - Exceptional Performance: - Effectively filters impurities while retaining essential minerals, improving air quality and alleviating discomfort from dry environments. - Prevents white dust from spreading in your home, helping maintain a clean and healthy living space. - Great Value: Each package includes four WF813 humidifier filter replacements. Dimensions: H: 7.87" x L: 6.1" x W: 1.57". For optimal results, use distilled water in your humidifier. Regularly replacing the filter every 3-6 months (depending on usage) ensures peak performance. - Practical Applications: Ideal for use in bedrooms, living rooms, or offices to create a comfortable atmosphere, especially during dry seasons. Perfect for families looking to improve indoor air quality and health. This filter is your solution for a healthier environment, ensuring your humidifier operates at its best while providing you with clean, moist air.