is 221.75 KB, has a resolution of 1820x920 pixels and was uploaded on September 4, 2023 @ 4:15 pm by user: ruthalht. It is filed under the tags: duct, moisture, humidity, machine, humidifier. Click the blue button at the top to freely download: Physikalischtechnische Bundesanstalt Humidifier Moisture Humidity Ultrasound Ventilation png.