Cryogenic Vial Internal Thread 0.5ml Self-Standing w/O-Ring Sterile Cs/500

USP VI Polypropylene Autoclavable at 121C / 15 lb Thick wall makes vial almost unbreakable Clear graduations and white marking area Closures and tubes are both made of polypropylene having the same coefficient of expansion, which further enhances the leakproof qualities of these vials at various temperatures Round bottom / Very easy to empty contents completely Sterilized by E-Beam Non-pyrogenic, DNase/RNase free, human DNA free Used for storange in the gas phase of liquid nitrogen Special screw cap designed with silicone O-ring for a secure seal Many sizes available as self-standing with universal locking base Volume: 0.5mL Sterile