Screw Caps Microtubes, Sterile, Free of RNase, DNase, Pyrogen, 500/bag

The screw cap micro centrifuge tubes have attached caps and are made of virgin polypropylene. It has printed area to write. Smooth, flat surface with silicone o-ring caps. The tubes are leak proof and withstands the temperatures -80°C. The tubes are Sterile,  and also available as non sterile.