AutoFlo humidifier pads also called humidifier filters must be replaced at least once per year. AutoFlo humidifier pads or humidifier filters are not cleanable or washable. We only carry original AutoFlo original factory parts for your AutoFlo humidifier not cheap knock offs like our competitors. All the other repair parts for your AutoFlo humidifier are available from us by clicking on the following AutoFlo link and locating your specific model on the list.