Keep your air humidifier system running its best by replacing the filter every 6 months. When it's time to replace the air filter in your Healthy Climate humidifier, trust the Filter Pad Replacement to keep your air clean, clear, and breathable.Never miss a filter exchange with this pack of 10 replacement filters. Each air humidifier replacement filter is part number X2661 and model number 3590. This Healthy Climate #35 replacement water panel fits humidifier models HCWB3-17, HCWB3-17k, HCWB3-17A, and HCWB3-17AK. This replacement humidifier filter pad measures 1.75 inches deep, 10 inches wide, and 13 inches high.Breathe easier in your home by replacing an old or dirty air filter with this Air Dehumidifier Filter Replacement 10 Pack.