1.Rnase and Dnase free 2.Highly transparent. 3.The best quality and competitive price. 4.XM international Brand, ISO certifie Cell samples collection vialUse for female gynecology exam.This kind of preservative fluid vial is made of High-quality PP with the volume of 50ml, which has the characteristics of none pollution, none metamorphism, none leakiness and will not make other reactions occur. ...