... ); push-type mechanical defoaming paddle with harrow3Pipeline System3.1Air PipelineAir Pre-filter: 316 SS polished casing, filtering core, material: hydrophobic PTFE film ... : 0.1μm, air flow 0.1m3/min Air Fine-filter (sterilization filter): 316 SS polished casing, filtering core, material: hydrophobic PTFE ...