QL-Hydrogen Generator CE certificate, Customized products 0.7Mpa output pressure SPE technology Own Patent, 20 years experience Type: QL-150B QL-300B QL-500B Output flow( ml/ min) : 0-150 0-310 0-510 Output pressure( Mpa) : 0.7 H2 purity( % ) : > 99.999 Input Power( W) :