1-2g/h Portable Ozone Generator 1.With ozone generator cell 2.High concentration O3 output 3.Ajustable O3 4. ... Warranty:1 year 1-2g/h Portable Ozone GeneratorDN-HY & DN-YT Series Ozone Generator are reliable, safe, durable, which is ... on some public places,ect... Features of 1-2g/h portable ozone generator:1. Ozone output adjustable: 0%-100%2. Built-in ...