Recommended tidal volum(ml):  100-1500

Moisture loss*(mg H20/l air):  9.0(@ Vt 500ml)

Resistance(Pa):  20 at 30 l/min

Bacterial filtration efficiency*(%):   /

Viral filtration efficiency*(%):    /

Port:  Ningbo or Shanghai

Package description:  Packaged by sterilization dialysis paper bag

                               200pcs/carton;  56*34*32