1.The cryogenic vial is square bottom and Self-standing.
2.The cap can be selected in seven colors: red, yellow, blue, green, white, purple and orange.
3.Solid, one-piece construction ensures the barcode not fall off during the storage under low temperature.
4.Clear graduations and white marking area.
5.Recommend to store in gas phase of the nitrigen tank.
①External thread Cap:Special screw cap designed without silicone ring to avoid the contamination risk.
②Internal thread Cap:Special screw cap designed with silicone O-ring to secure the sealing under various condition.