SUNRRA Humidifier Replacement Filter is developed to solve the drying problem. Diffuse moisture into the air for home, bedroom, living room or nursery, effectively remove air pollutants, becomes an essential part in dry fall and winter seasons, ensure healthier breathing to a greater extent. Compatible with the following Humidifier models: Honeywell HC-888, HC-888N, Filter C, Honeywell HCM-890, HCM-890B, HCM-890C, HCM-890-20, HCM-890-MTG HEV-320B, HEV-320W DCM-200, DH888, DH-890, DH-890C DCM-891B, DCM-891S Applicable area: Material: hydrophilic wood fiber Dimension: 7-7/8”x 5-1/8”x 7/8 Usage: Home, office, hotel, restaurant, café, apartment, condo, high-rise etc. Package: 4 filters Maximum Moisture Output Thickened and denser humidifier filter wicks the water to the top, hold moisture and avoid drying out, fully put enough moisture in the air. Thick and sturdy construction makes the replacement wicking filter A can stand firm. Healthier Breathing Inhibit the growth of scale deposit buildup, neutralize dust and odors, promote indoor air circulation, bring pure moist air to you and your family during the dry and allergy season, provide comfortable night sleep. Warm Tips: 1. Be sure to scrub the tank along with replacing the humidifier filter regularly to keep the optimal performance. 2. Be sure to pour fresh cold water into the tank( not hot water) and discarding the old water.