It is good to have because I like to breath clean air and stay cool at the same time. It has settings on the top which is good and easy to use for me. The exterior is easy to clean it also has settings buttons on top. I would recommend this air purifier. Ease of Maintenance It is very easy to manage and it doesn't collect dust easy. Dust/Allergen Removal The air purifier is very good it removes dust and lint in my room. It also cleans all bad air and cools my whole room, I really like it. Durability The exterior is easy to clean and it is also very light and can also be moved by one person. Effectiveness It's very good it made my room very cool and clean I really think it's great. Design It is a floor standing air purifier that is long from the floor and up it does not take up that much space which is nice. The exterior is made of plastic and it has button controls that are located on top of the unit. It also has a dust filter in the back of the purifier which you can clean.