Precision Anaesthesia Air Filter Y4/D17 Standard:YZB 0262-2003 Usage:Supporting "disposable anaesthetic Name:Precision Anaesthesia Air FilterType:Y4/ ... Biocompatibility GB/T 16886.1 requirements, non-toxic, no heat, no hemolysis, no stimulation, sensitization. (note: after sterilization, asepsis)Physical ... .PH: inspection and blank liquid PH value of no more than 1.5.3.heavy metals, inspection ...