VY-3050 Automatic Fermentation Tank from Rotech is widely used in pharmaceutical production. ... .1Air PipelineAir Pre-filter: 316 SS polished casing, filtering core, material: hydrophobic PTFE film, filtering accuracy: 0.1μm, air flow ... Fine-filter (sterilization filter): 316 SS polished casing, filtering core, material: hydrophobic PTFE film, filtering accuracy: 0.01μm, air flow ...