4.0 mL Cryogenic Vial, Self-Standing, Internal Thread, Sterile, 250 pcs/case, 608301

USP VI Polypropylene Tubes

HDPE Caps

·  Round Bottom, Self-standing

·  Solid, one-piece construction ensures the barcode not fall off during the storage under low temperature

·  Autoclavable

·  Clear graduations and white marking area

·  Sterilized by E-Beam

·  Non-pyrogenic, DNase/RNase 

·  Recommend to store in gas phase of the nitrigen tank

External thread Cap

Special screw cap designed without silicone ring to avoid the contamination risk.

Internal thread Cap

Special screw cap designed with silicone O-ring to secure the sealing under various condition.