What are the measurements and how much does Molekule Air weigh? November 18, 2021 01:30 Updated Molekule Air measures 23.0" high and has a diameter of 8.25".It weighs about 18 lbs. Related articles How do I clean my Molekule air purifier? Which Molekule purifier is right for you? Can I use a Molekule air purifier in a car or RV?