S-Series(C3.1/30-1S)
P-Series Y4.4/28-1X30P Y6.0/28-1×60P, Y7.0/28-1×80P,Y8.0/28-1×100P
Medical grade anti-breaking gentle PP material conforming to FDA requirement
S-series: able to withstand a negative pressure 20 kPa(±0.5kPa)
P-series: able to withstand a negative pressure 60 kPa