... high as 97.6%.3,Negative ion combines small dust, disappear smoke and eliminate peculiar smell, improve air quality, ... durable and elegantWith stainless steel rack, long-lastingNo ozone produced!Washable and replaceable HEPA filterReplaceable catalytic filterLong ... finished product. · We have serial products: ozone tube ,UV water sterilizers, ozone generators, oxygen concentrators, protein skimmers, and ...