I had to go to the bank last week and I was forced to go inside the building due to a large transaction. I sold my house and I wanted to remove some of the cash from the bank. Since it was a large sum of cash, they made me come inside. As soon as I entered the building, I could hear the sound of the air purifier. It was sitting in the corner of the room and there was a large vent tube sticking out of the top. I was glad to see the indoor air purifier, because it made me feel safe and less worried about my susceptibility to any germs inside the building. Unfortunately, it made it extremely difficult to hear anyone inside. I had to ask the desk clerk the same question 3 times. Even then, she looked at me puzzled. The air purifier was loud and I could tell that she was frustrated because she could not hear me either. I was inside the bank building for 30 minutes and I never heard the air purifier turn off. It must have been one of those that continuously run to clean the air. I’m starting to see more and more air purifiers all over the place. There are three air purifiers in the grocery store and they just put an air purifier and the laundromat. I think we are going to start seeing air purifiers like a normal piece of machinery. It will be a common thing to see like a heater or an air conditioner.