BD 367988 Vacutainer Plus Plastic Plasma Tubes are designed to facilitate safe blood handling in all laboratories, doctorsƒ?? offices, and hospitals. These plastic tubes wonƒ??t break or spill and expose staff to dangerous blood-borne pathogens. These Red/Grey serum tubes contain an additive of a clot activator and gel for serum separation. There are many applications for the Red/Grey Vacutainer Plus Plastic Plasma Tubes including blood donor screening and diagnostic serum testing for infectious diseases. These 16 x 100 mm x 8.5 mL tubes are sterile and latex free. They have a red and grey conventional closure and a paper label.