The LaboStar series is a convenient water purifier which is cost efficient and simple to use. It features conductivity of 0.055 µS/cm, TOC contents 1-5 ppb, endotoxins of <0.001 EU/ml. The TWF Series is suitable for minimal drinking and has conductivity of 0.055 µS/cm, 1-5 ppb TOC load , endotoxin of <0.001 EU/ml. It has two characteristiscs which is ASTM Type 1 and 3.