... purifier 1. used for purify hydrogen, nitrogen, air generator 2. output gas more purity. 3. three levels purifiers nitrogen purifier Introduction:If ... idea, want to rise purity, TF-2 purifier is your best choice! TF-2 gas purifier mainly used in kinds of ... in laboratory. Could be further purify the gas to further rise gas purity. Mainly used with hydrogen generator, nitrogen generator, air generator ...