Mpweya wopumira wa makina a anesthesia ndi mpweya wabwino umapangidwa ndi olowa, njira zitatu ndi mvuto. Cholumikiziracho chimapangidwa ndi zinthu zolimba kwambiri za polyethylene resin malinga ndi GB11115, ndipo mavuvuwo amapangidwa ndi zinthu zofewa zachipatala za PVC malinga ndi GB10010. Imagawidwa mu mitundu itatu ya specifications.Rated otaya dera kupuma: 30L/mphindi, kuthamanga increment zosaposa 0.2KPa, kupuma dera ayenera kukhala aseptic.