Axygen® 0.5mL Conical Screw Cap Microcentrifuge Tube and Cap, with O-ring, Polypropylene, Assorted Color Cap, Nonsterile (Product #SCT-050-A)

Axygen® 0.5mL Conical bottom, Screw Cap Tubes feature screw caps that provide a tight secure seal.
• Will withstand up to 20,000 RCF
• Screw cap contains O-rings to assure efficient sealing and avoid evaporation
• Certified RNase-/DNase-free Nonpyrogenic