Thermo Scientific ART Reach Barrier Tip Pre-Sterile 200ul pipette tips Perform applications consistently and accurately by using Thermo Scientific ART Barrier Specialty Pipette Tips, which seal when exposed to potential contaminants, trapping them inside the barrier. ART barrier specialty tips are designed to aid in pipetting for a variety of applications. Extended length, Thermo Scientific REACH tips provide an extra level of contamination control. Sterile tips are certified free from RNase, DNase, and pyrogen Available in sterile, nonsterile, and in various packaging options Manufactured according to the industry's highest quality standard