EPGT tube stands on EDTAK2 with Gel Tube. It is coated with lithium heparin and inside the tube a barrier Gel presented at the bottom. Product Feature they are normally made of glass and plastic. In addition, the plastic tube includes PET, PP and PS. Product Specification/Models 1ml 13í-75mm VP10041S 2ml VP20031S 3ml VP30031S 4ml 13í-100mm VP40042S 5ml VP50032S 6ml VP60032S 8ml 16í-100mm VP80043S 9ml VP90043S Application. Through centrifugation, the separation gel can form a barrier between plasma and blood cell and totally separate them. Clinical specimen obtained is suitable for analysis of virus capacity and molecular diagnostics of undiluted plasms. Other Information We are professional manufactory dealing especially with the export of blood collection kits. We are in a position to accept orders according to the customer's samples. 100pcs/tray 1200pcs/carton