• 2mL capacity with round bottom • 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 (see Cat. No. 430499) • Special base design allows vials to be locked into cryogenic rack and tray (Cat. No. 430525 or 431131) for single-handed manipulation • Sterilized by gamma radiation • Certified nonpyrogenic and DNase/RNase-free
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