High Efficient indoor air sterilizer 1.Model: AC 2041 ... from Taiwan Electronic Home using HEPA filter Air Purifier,air refreshing, sterilizerSpecification:Model: AC-2041Power: ... *25 m2Our advantage:1,20 years air purifier manufacturing experience, international approved quality2 ... air volume adjustment6,Degerming rate: 99.95% 8.Noise:47/56/60db9,Negative ion function high efficient indoor air sterilizer ...