Wide Compatibility Fits most V3000/VEV400, 3020, SCM1118/1119/1120, HCM300T/315T/350/540/630/710, ECM-250i/500 and WA-8D models; replaces standard WF2/PWF2 filters. Premium Material & Sturdy Structure Constructed with high-density reinforced mesh paper and a built-in aluminum foil layer; features hot-melt adhesive strips and dense weave for enhanced stability and optimal moisture output. Effective Mineral Control Traps water impurities and mineral deposits, reducing white dust residue in your humidifier and minimizing scale buildup for consistent performance Effective Mineral Control Traps water impurities and mineral deposits, reducing white dust residue in your humidifier and minimizing scale buildup for consistent performance Easy Maintenance & Replacement Soak filter in water before use for steady water flow; replace every 1–2 months with daily use or every 3 months under normal conditions; use distilled water to extend filter life Easy Installation & Performance Simple to install and replace; helps maintain your humidifier’s peak performance and delivers consistent moisture to relieve dry air discomfort ASIN B0GQM88Z74 Item Weight 7 ounces Manufacturer ZYKJGG Item model number wf2 Batteries required No Package Dimensions 10.87 x 7.87 x 5 inches