2ml polypropylene screw cap external thread self standing star base cryovial sterile rnase dnase free

Premium quality sterile polypropylene cryogenic storage vials with leak-proof sealing external thread cap for protecting valuable laboratory and patient samples. The self-standing star foot anti-rotation bottom with conical bottom shape "star-base" makes hands-free opening and closing a breeze when the tubes are placed in a cryogenic tube rack. Certified to be RNase/DNase and human pyrogen free and safe to be stored at temperatures nearing -196C. No cryogenic manufacturer recommends using their cryovials in the liquid phase of LN2 out of an abundance of caution. Our 2mL Cryovials are graduated up to 1.7mL for easy reading and feature a white space for making notations CE Marked for storage of diagnostic samples in the EU. Compliant with IATA for shipping Sold by the case of 100 vials and packed in 10 inner bags of 100 cryovials. Bags have a re-sealable Ziploc top to help maintain sterility.