Axygen® 1.5mL Self Standing, 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

Easily color code samples for quick identification, customization and to increase productivity Assorted colored cap tubes come with a free reusable plastic rack (Part numbers 229419 & 229429) Graduations are printed in bold easy-to-read black ink and are accurate to ± 2% Large…