Zeneland H2 Tumbler Introduction

H2 Test- Press Green Button for 2 Cycles - More Than 3000ppb

H2 Test- Press For Green Button - H2 Level More Than 1700ppb

H2 Test- Press For Blue Button - H2 Level More Than1300ppb

* The above H2 tests are professional H2 tests. H2 level also depends on water quality and condition. (please put this small note below the videos)