NEST 2D Barcode Cryogenic Vials Material: USP VI Polypropylene TubesHDPE Caps External thread CapSpecial screw cap designed without silicone ring to avoid the contamination risk.Internal thread CapSpecial screw cap designed with silicone O-ring to secure the sealing under various condition. Product Features Round Bottom, Self-standing Each tube is permanently marked with a unique 2D barcode, ensuring the tubes can be easily and accurately identified when being moved, shipped or even accidentally dropped. Laser 2D barcode on the bottom of each tube allows scan and decode at once without removing from rack 100% inspection guarantees that each code is unique and readable 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 and human DNA free Recommend to store in gas phase of the nitrogen tank Warning!Do not use cryogenic vials for storage in the liquid phase of liquid nitrogen. Only store vials in the vapor phase above the liquefied gas. Always use appropriate safety equipment when removing vials from cryogenic storage.Refrigeration: The lowest temperature can withstand -196°C (with screw cap). All our polypropylene pipes are suitable for low temperature storage, except for liquid nitrogen. SKU Volume(mL) Cap Style Description /Pack /Case 618041 0.5 External Thread Package 50 2000 606041 1.2 External Thread Package 50 2000 607041 2.0 External Thread Package 50 2000 624041 3.0 External Thread Package 50 1000 608041 4.0 External Thread Package 50 1000 609041 5.0 External Thread Package 50 1000 618141 0.5 Internal Thread Package 50 2000 606141 1.2 Internal Thread Package 50 2000 607141 2.0 Internal Thread Package 50 2000 624141 3.0 Internal Thread Package 50 1000 608141 4.0 Internal Thread Package 50 1000 609141 5.0 Internal Thread Package 50 1000 618152 0.5 Internal Thread 10*10 Racked package 100 1600 606152 1.2 Internal Thread 10*10 Racked package 100 1400 607152 2.0 Internal Thread 10*10 Racked package 100 1200 618053 0.5 External Thread 9*9 Racked package 81 1296 606053 1.2 External Thread 9*9 Racked package 81 1134 607053 2.0 External Thread 9*9 Racked package 81 972 624053 3.0 External Thread 9*9 Racked package 81 848 608053 4.0 External Thread 9*9 Racked package 81 648 609053 5.0 External Thread 9*9 Racked package 81 486 618153 0.5 Internal Thread 9*9 Racked package 81 1296 606153 1.2 Internal Thread 9*9 Racked package 81 1134 607153 2.0 Internal Thread 9*9 Racked package 81 972 624153 3.0 Internal Thread 9*9 Racked package 81 648 608153 4.0 Internal Thread 9*9 Racked package 81 648 609153 5.0 Internal Thread 9*9 Racked package 81 486