0 5ml polypropylene clear screw cap self standing micro tube without graduations rnase and dnase free

0.5mL standing tubes for sample collection and long term storage. These 0.5mL polypropylene tubes do NOT include a screw-cap - Choose one of the STS-2001-XX colored cap options. These non-sterile 0.5mL tubes are centrifugable to 20,000xg and can be frozen down to -86C. Crystal clear tube with no graduations , RNase, DNase, Pyrogen free Packaged in resealable bags of 500, 10 bags to a case