Search history
Clear allSearch by image
XDrag and drop an image here or upload an image
Max 5MB per image
UploadSign In | Join
X Email Mobile
Interface outside diameter: 10mm - 13.10mm (The advantages of increasing the diameter from small to large: good compatibility, wide application scope, better sealing during docking, and more accurate testing. Lung capacity meters with a diameter of about 1cm can be used)











Update time:
TOP