15mL Centrifuge Tube, Yellow Cap - Bag, Sterile (Case of 500)

• Assorted color cap tubes allow easily color coding of samples for quick identification, customization, and increased productivity. 
• Users report coding each color to a day of the week, a member of the lab, or a specific procedure. 
• 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.