Vacuum or non vacuum feature types glass capillary tube

.Specially designed for infants,dying and other patients with blood collection problems.

.The groove design ensures that the venous blood flows into the tube smoothly and quickly,and easy to mix the additive inside which prevent blood cloting
.The toothed bumps are two side.It makes the cap and tube combine tightly.It effectively prevent blood samples leaking.

a) accurate vacuum draw volume
b) excellent performance additive
c) clear label, doesn't break off
d) colorless/ transparent tube, visuable of the inside contents
e) can bear a centrifugal force more than 3000 xg
f) shelf time 18 months for PET, 24 months for glass