Citadel Cluster Tube Systems are ideal for high-throughput screening processes and long-term storage. It all begins with high-clarity, ultra-pure polypropylene, combined with proprietary injection molding techniques to produce high-clarity vessels that are exceptionally robust, chemically-resistant, and pure. SBS footprint; 8 × 12 format. Ideal for automation / HTS. Tubes and racks are made from virgin polypropylene; strip caps are polyethylene. This rack and tube system is suitable as a reaction vessel in your robotic workstation or as a long-term storage vessel in your sample library. A clear lid is a standard part of racked system. For use in medical, pharmaceutical and food industry, and molecular biology. Certified free of detectable RNase DNase, DNA, PCR inhibitors, and tested pyrogen-free. Sterile product is certified pyrogen-free.