Compatible with multiple humidifier models, including Equate WF813/EQ2119UL, ReliOn RCM832/RCM832N, ProCare PCWF813/PCCM832N, Kaz WF813, Duracraft DH830, Robitussin DH832, and more. Also fits Sesame Street SH100 and SH200. This broad compatibility ensures you can keep your humidifier running efficiently without searching for hardtofind filters. Built with a durable multilayer natural mesh, reinforced at the center for stability. This sturdy construction resists collapsing and extends filter life, helping maintain reliable performance over time while reducing the need for frequent replacements. Designed to capture mineral deposits and impurities from water, preventing the release of white dust into your air. This feature improves air quality by delivering cleaner mist, creating a healthier and more comfortable environment for your home or office. Includes 4 quality replacement filters, offering value and convenience. Quick and easy to install with no tools required, making maintenance simple and hassle. For results, every 2 to 3 months depending on usage and water hardness. Ideal for everyday use in bedrooms, living rooms, and workspaces to maintain humidity levels and reduce irritation from dry air. for families needing cleaner air during winter months, or for individuals seeking relief from allergies and sinus dryness. Specifications: Quantity: 4 replacement filters Material: Multilayer natural mesh with reinforced center Compatibility: Equate WF813/EQ2119UL, ReliOn RCM832/RCM832N, ProCare PCWF813/PCCM832N, Kaz WF813, Duracraft DH830, Robitussin DH832, Sesame Street SH100 and SH200 Recommended replacement interval: Every 2 to 3 months Keep your humidifier running at peak efficiency while enjoying cleaner, fresher air. These filters are a dependable choice for ensuring comfort and health in your environment.