• Maximum centrifugation RCF 20,000g
• Unique ClickLok sealing mechanism
• One piece construction
• Highly polished surface for easier viewing of contents
• Rugged walls for high-speed centrifugation
• Graduated at .1, .5 and 1 ml
• Has a frosted writing surface on the cap and side of the tube for sample identification
• Packaged in tamperproof resealable safety-lock bags