Compatible with humidifiers: - Vicks: V3100, V3500, V3500N, V3600, V3700, V3800, V3850, V3850JUV, V3900, V3900JUV - Kaz: 3020 - Sunbeam: 1118, 1119, 1120 - Honeywell: HCM-630, HCM-631, HCM-645, HCM-650, HCM-300T, HCM-315T, HCM-350, HCM-350B, HCM-1000, HCM-2000, HCM-540, HCM-710 - Enviracaire: ECM-250i, ECM-500 - ReliOn: WZ-8D Upgraded filters - Aluminum foil material added in the middle of the filter element to prolong filter life. - The mesh is sturdy, fine, and dense, resisting collapse to support longer use. Mesh structure design - Designed to maximize moisture output from the humidifier. - Helps raise indoor humidity by adding moisture to the air in indoor spaces. High density and high quality material - Composed of high quality filter paper for extra absorbency, better moisture output, and longer use. Use scenarios - Use in dry climates or during winter when indoor heating reduces humidity, to maintain comfortable moisture levels. - Place in bedrooms or living spaces to improve sleep comfort and curb dry air effects such as dry skin or throat irritation. - Ideal for nurseries or areas where infants or sensitive occupants are present, to help maintain a gentler, more stable indoor humidity.