Labcon SuperClear Ultra-High Performance Centrifuge Tubes with Flat or Plug Caps Polypropylene Tubes With Flat Caps. These superior quality centrifuge tube with flat or plug caps are made from durable polypropylene for a long period of time. Flexible walls and rounded bottoms allow for a greater volume of liquid without worry of a splash back. Caps are included for added protection. For even greater protection check out the plug cap option (sold separately). These tubes can withstand a higher temperature than the boiling point of water. Whether storing serums plasmas or urines these tubes will meet your critical needs. Certifications: These tube are DOT and/or cGMP compliant. Ordering Information: All of the tubes in this series are certified to be free of DNase RNase and pyrogens. Specifications for Labcon SuperClear Ultra-High Performance Centrifuge Tubes with Flat or Plug Caps Polypropylene 3191-870-306 Tubes With Flat Caps : Volume mL: 50 Sterility: Nonsterile Packaging: Bulk Unit: Case of 500 Maximum RCF: 15500 g Dimensions 15 mL Tubes: 17dia. x 118L mm Dimensions 50 mL Tubes: 29dia. x 115L mm (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Labcon products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Centrifuges with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Labcon Centrifuges. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the Labcon SuperClear Ultra-High Performance Centrifuge Tubes with Flat or Plug Caps Polypropylene Tubes With Flat Caps 3191-870-306/ 21008-177 we carry a full complement of Centrifuges as well as other product offerings from Labcon. We also carry a full line of Labcon accessories to help meet your laboratory and scientific needs. For a complete selection of Labcon Centrifuges please visit our Labcon page. For more brand name Centrifuges please visit our Centrifuges store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Labcon SuperClear Ultra-High Performance Centrifuge Tubes with Flat or Plug Caps Polypropylene 3191-870-306 Tubes With Flat Caps