5ml Centrifuge Tubes, Clear, Round Bottom, Snap Cap, Sterile, 200/pk, 2000/case

USP VI PolypropyleneEach 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.Non-pyrogenic, DNase/RNase and human DNA free Round Bottom, Self-standingSolid, one-piece construction ensures the barcode not fall off during the storage under low temperatureAutoclavable Sterilized by E-beam, SAL=10-6 Clear graduations and white marking area Recommend to store in gas phase of the nitrogen tank Internal thread Cap: Special screw cap designed with silicone O-ring to secure the sealing under various condition. External thread Cap: Special screw cap designed without silicone ring to avoid the contamination risk. (2000 per CS )