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