1) The invention has received recognition from around the world!- Won the bronze prize at the 2004 Int’l Idea Invention of New Products Exhibition in Germany- Won the Gold prize & special Prize for design at the 2005 Int’l Invention Exhibition in Geneva.- Acquired the CE/UL/FCC/JET 2) The front-runner of the smallest air cleaner in Korea and easy to set up in rooms, with wall outlets, PC rooms, Libraries. If you travel a long distance, you can carry this air cleaner and it is convenient to set up.Also, this air cleaner do not interrupt your sleep because it makes no noise and purifies a range of 20 to 500 sq. ft. coverage area.3) This Air cleaner is washable. So, it is possible to wash it with water. It is the first product in the world which can be washed by water without separation and does not require a filter with a special coating treatment.(Special polymer Vacuum Coating)4) It is quite a bit cheaper the electric charge than the other air cleaners also, the price, maintenance expense. (So, when you using the air cleaner for 24hrs in a day the electric bill are below 10 cents /monthly)5) Visual - The special LED setting can be very fancy at night adding the luxurious visual effect with lightings. 6) Negative ions and Activated oxygen (Ozone) Level of the control switch - set the level from high to low to the degree of the smell or level of pollution.