4ML EXTERNAL THREAD CRYOGENIC VIAL SS WASHER
CRYOGENIC VIALS: External Thread

• Manufactured from polypropylene to withstand temperatures to -196°C• 40% larger marking spot• New black graduations• Now certified RNase-/DNase-free• Vials have a silicone washer for a secure seal• Vials may be color coded with inserts (Cat. No. 28-3300-20)• Self-standing vials have a special base design allowing them to be locked into cryogenic rack and tray (Cat. No. M466920 or M108896) for single-handed manipulation• Sterilized by gamma radiation• Certified nonpyrogenic• See M466916 for Color Coded Cap Inserts