The Aero 360° tab is comprised of ultra-active crystals and its patented wave-shaped surface enhances air exposure and circulation. Push the ‘Open' button on the top of the device and slide open. Place the refill onto the open lid with the blue side facing downwards and close device.
I run a dehumidifier in mine after a rather soggy weekend at a car show, i was amazed at how much it pulled out.
Old trick in work was to use the empty 1 litre cardboard milk containers on the dash to defrost the car quicker