Innovative technology with quality life Long service life and low maintenance cost Daily maintenance only needs to be supplemented with purified water Highly active PEM catalytic electrolysis technology Product Model : L1 Power Supply:AC110V-220V 50/60Hz Size:L*W*H:120*150*195mm Maximum power rating:150w Net weight:3.5Kg Hydrogen Purity : >99.9% Guarantee period:Quality Assurance period for 1 years Water-quality requirement:Cestbon Pure water Gas Flow:.150ml-300ml/min