Corning? 50 mL clear polypropylene (PP) conical bottom centrifuge tubes come with the advanced polyethylene CentriStar? caps and are packed 25 per rack. The CentriStar? cap has an easy-on/easy-off flat top and offers advanced ergonomics with its wider knurls and roll-over edge design for easier gripping. This leak-proof design comes with a revolutionary plug feature that virtually eliminated all seepage when used under recommended conditions. 

• Superior Performance

• Maximum RCF is 17,000 xg

• Temperature range from -80°C to 120°C

• 5 year shelf life

• Ease of Use

• Leak proof design

• Easy-on/easy-off cap

• Clear accurate graduations

• Large white marking spots

• Reliable Quality

• RNase-/DNase-free

• Heavy-metal-free color concentrate

• Nonpyrogenic

• Sterile