Axygen® 1.5mL Screw Cap Microcentrifuge Tubes With Conical Bottom & O-Ring Screw Caps

Axygen® Available pre-sterilized or non-sterile, these Axygen® polypropylene conical bottom screw top microcentrifuge tubes with "O" ring cap have color-coded caps to provide a syringe port that is easily pierceable for radioisotope labeling and fraction collecting. Threaded O-ring design ensures a uniform closure allowing centrifugation up to 20,000 x g.