There are many different types of air purifiers for office use, but the three most popular types are the electronic air purifier, the mechanical air purifier, and the ozone generator. The electronic air purifier is the most popular type for office use because it is easy to use and can be controlled by a computer. It is also the most expensive. The mechanical air purifier is the next most popular type for office use. It is a large, heavy machine that is used to clean the air in a room. It is also the most expensive. The ozone generator is the last type of air purifier for office use. It is a small, lightweight machine that is used to create an ozone atmosphere in a room. It is the cheapest and the most simple to use.