It seems like you're looking for information about mini refrigerator dryer air options that can also serve as dryers and air purifiers. While traditional mini refrigerator dryer air are not designed to function as dryers or air purifiers, there are some innovative appliances that combine multiple functionalities. Here are a few options you might consider:

1. Mini Fridge with Dehumidifier Function: Some mini fridges come with a dehumidifier function, which helps to reduce excess moisture in the air inside the fridge. This can be particularly useful in preventing food spoilage and maintaining a fresher environment inside the fridge.

2. Combo Devices: There are combo devices on the market that combine a mini fridge with other features such as a microwave, freezer, and sometimes even a dehumidifier. While these might not specifically include dryer or air purifier functions, they can still offer multifunctional convenience in a compact unit.

3. Portable Air Purifier with Mini Fridge: While not a single integrated unit, you can consider getting a portable air purifier and a mini fridge separately. This way, you can address both air purification and refrigeration needs in a small space.

4. Personal Air Cooler/Heater: Some mini appliances are designed to function as personal air coolers or heaters. While not exactly the same as an air purifier, these devices can help regulate the temperature and air quality in a small area.

5. Mini Dehumidifier: If humidity control is a concern, a mini dehumidifier might be a suitable option. These devices are designed to remove excess moisture from the air, helping to prevent mold growth and maintain a comfortable environment.

6. Compact Air Purifier: For air purification needs, a compact air purifier is a good option. These devices are designed to remove pollutants, allergens, and odors from the air, creating a healthier living space.