• Made of high-clarity polypropylene. These tubes have bold graduations that are easy to read and accurate to ±2%, except #917-500-10 which has molded graduations.
• Sterilized models are gamma irradiated, RNase-free, DNase-free, DNA-free, non-pyrogenic and manufactured in a class 100,000 cleanroom.
• Large white marking area provides excellent contrast for identification (#917-500-10 does not have a white marking area).
• Conical tubes have smooth, flat surface polyethylene screw caps. Self-standing tubes have a plug seal polyethylene screw cap. Both cap styles provide an integral seal.
• The extended cap design facilitates one-hand removal of caps and helps prevent contamination.
• Available in recyclable racks or bulk packaged in sterile bags with a re-sealable zip closure. Inner bags contain 25 tubes and lot number information.
• Temperature range is -80 to 120°C.
• CELLTREAT™ products include a comprehensive quality certificate with every case of product. The certificate includes the part number, lot number, sterility assurance level and dosage, endotoxin/pyrogen-free assurance, non-cytotoxicity assurance and RNase/DNase-free assurance.
• Sterility Assurance Level = 0.000001. 

Centrifuge Tubes – 15 & 50mL (Polypropylene) with Sure Cap

• Sure Cap with compressible liner creates a stable seal
• Graduations are printed in bold easy-to-read black ink and are accurate to ± 2%
• 50mL tubes include a black printed 50mL graduation line and 1, 2 and 3mL graduations molded into the conical bottom
• 15mL tubes include a black printed 15mL graduation line and 0.5 and 1mL graduations molded into the conical bottom
• Large white marking area provides excellent contrast for identification
• All tubes are manufactured from medical grade virgin autoclavable polypropylene and have smooth, flat surface polyethylene (HDPE) caps
• Temperature range of -80°C to 120°C
• Bulk packaged sterile (gamma irradiated) in zip-closure bags 

15mL Centrifuge Tube - Colored Caps

• Easily color code samples for quick identification, customization and to increase productivity
• Assorted colored cap tubes come with a free reusable plastic rack
• Same great features as standard centrifuge tubes
• Bulk packed sterile in re-sealable bags

15mL Centrifuge Tube - Snap-Pop Lid

• Single piece lid and tube available in conical and self-standing bottoms
• Tab on lid enables convenient one-handed opening
• Ideal for sample storage, collection and experimental procedures

NEW - 30 mL Centrifuge Tube 

• 30mL size is an ideal option for intermediate centrifuge tube volumes
• Self-standing base for use without a rack
• Molded graduations ensure volume accuracy to +/- 2%
• Conical bottom for maximized sample retrieval