50mL Centrifuge Tube, Marking Spot Caps - Foam Rack, Sterile, CS300

Marking Spot Cap provides additional labeling area on cap 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 Foam rack is a sturdy alternative to disposable paperboard racks (300 per CS)