Corning® 4 mL Internally Threaded Cryogenic Vial, Round Bottom (50 Pack)

Description

4mL capacity with round bottom 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 non-pyrogenic and DNase/RNase-Free.