50mL Centrifuge Tube, Sure Cap - Bag, Sterile (Case of 300)

• Sure Cap with compressible liner creates a stable seal. 
• Graduations are printed in bold, easy-to-read black ink and are accurate to +/-2%. 
• Large white marking area provides excellent contrast for identification. 
• Easy to write on flat surface polyethylene (HDPE) caps feature integrated leak-proof seal. 
• Tubes include graduations molded into the conical bottom, ideal for pellet viewing and small volume quantification. 
• Convenient zip-closure bag is a practical alternative to folding and taping opened bags. 
• Easily refill reusable racks with tubes packed in bags.