Axygen® 15 mL polypropylene (PP) Centrifuge Tubes, Conical bottom with Screw Cap, Racked, Sterile, 50/Rack, 500/Case
Corning Life SciencesBlack printed graduations and a large white marking spot Maximum RCF is 12,000xg Sterile, nonpyrogenic and DNase-/RNase-free