Hydrogen Generator CE certificate, Customized products 99.999% purity h2 SPE/ PEM technology Own Patent, 20 years experience Type: QL-150 QL-300 QL-500 Output flow( ml/ min) : 0-150 0-310 0-510 Output pressure( Mpa) : 0.02-0.4( under stable pressure) H2 purity( % ) : > 99.999 Input power( w) :