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