4mL External Thread Polypropylene Cryovial with TPE Sealing Cap and Self-Standing Base, RNase and DNase Free, Sterile, 50/PK

External threaded polypropylene cryovials with innovative screw caps are produced from medical grade polyethylene (PE) and are co-molded with a thermoplastic elastomer (TPE) to provide a 100% leak-proof seal without the contamination risk associated with O-ring seals. 

Manufactured in an ISO 7 clean room (class 10,000) in accordance with FDA, GMP & ISO quality standards (ISO13485:2004, ISO14644 & 14698)

Lot certified DNase, RNase, pyrogen, ATP and Human DNA free Beta sterilized 50 per pack in resealable safety bag

Temperature range -196° - 121°C Each vial includes printed barcode and white writing surface for specimen identification

Enhanced cap features a star socket designed specifically for use with automated capping/decapping equipment. 

Slim profile cap design ensures better fit in racks and boxes

White writing surface for specimen identification 

Printed graduations for accurate measurements 

Vials and caps are autoclavable 

Produced from medical grade raw materials that will not discolor after re-sterilization 

Tamper evident packaging

Multicolored cap inserts are available to aid in visual identification

Not for use in the liquid phase of Liquid Nitrogen