Cap Insert for Cryogenic Vial, Purple, compatible with regular 1000/cs - 611006

6 colored cap inserts for easy identification

Specifications
* USP grade VI Polypropylene
* Manufactured in clean room
* Autoclave at 121℃ /15 Ib
* Clear graduations and white marking area
* Sterilized by E-Beam
* Non-pyrogenic, DNase/RNase free
* External -Thread Cryogenic Vials
* Used for storage in the gas phase of liquid nitrogen.
* Special screw cap designed without silicone washer to avoid the chronic toxicity cells
* Star upright design for the bottom of the tube allows for self-standing
* 6 colored cap inserts for easy identification