Sterile External Thread Polypropylene Cryogenic Vials, Silicone Washer in Cap, Round bottom, self-standing, 2 mL

• External thread with silicone washer in cap
• Self-standing design†
• Black graduations and larger marking spots for easier filling and sample identification
• Manufactured from polypropylene to withstand temperatures to -196°C
• Silicone washer for a secure seal
• Vials may be color coded with inserts (Cat. No. 978-20584)
• Special base design† allows vials to be locked into cryogenic rack and tray (Cat. No. 978-201614 or 978-20700) for single-handed manipulation
• Sterilized by gamma radiation
• Certified nonpyrogenic and DNase/RNase-free
• Use Corning cryogenic vials with CoolCell to further protect your valuable cell lines, biological, and aqueous solutions in ultra-low temperature storage

†Cat. No. 978-20665 is not self-standing and can not lock into cryogenic rack and tray
†U.S. and Canada Sales Only
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