shower is an air freshener for the front door, this device provides a psychological barrier between your private and public lives by applying air and fragrance at your home entrance. When you leave the house, shower provides can brighten your mood as needed, and when returning home, an air shower rejuvenates and removes any harmful substances adhering to you from outdoors, including PM2.5. A removable air filter collects any harmful substances. In this way, shower induces a change in your feelings and helps you maintain a healthy emotional balance.