sterile 2ml screw cap self standing micro tube with o ring seal and attached loop cap rnase and dnase free

2.0mL sterile standing tubes with tethered screw caps are perfect for sample collection and long term storage. These sterile 2.0mL tubes are centrifugable to 22,000xg and can be frozen down to -180C (gas phase of LN2) Crystal clear tube with printed graduations Sterile, RNase, DNase, Pyrogen free Tube Dimensions: 13 x 49mm Packaged in resealable bags of 50 Leak proof O-ring seal