VWR Conical-Bottom Centrifuge Tubes PTFE Tubes With Screw Caps Each. Combining top-notch and uncompromising quality with an affordable price the VWR Conical-Bottom Centrifuge Tubes PTFE Tubes With Screw Caps 12.1245/ 89026-350 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: With the same material as the bottom of centrifuge tubes these 10 VWR Conical-Bottom Centrifuge Tubes PTFE have a slightly larger base for better centrifugation. These tubes are very lightweight and their PTFE material helps to eliminate the possibility of sample cross-contamination. The top of each tube is cone-bottom shaped and the PTFE material helps to prevent any sample abrasion within the tube. These tubes feature a hemispherical top a normal sighting end and a flat end; there are no spout or lip at the lab end of the tube. For this reason they are also often used as blood bank tubes urine tubes and other sterile tube containers. Simply put tubes with a cone-bottom shape and a PTFE material are excellent centrifuge tubes. The PTFE material will not react with acid or alkalis and you may centrifuge them with the lid off. These tubes do not require disassembly for use even with the tightly closing lid. Each tube has an incorporated shrink gauge. Ordering Information: Packages include 10 tubes per each. Specifications for VWR Conical-Bottom Centrifuge Tubes PTFE 12.1245 Tubes With Screw Caps : Volume mL: 45 O.D. x L mm: 25 x 150 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Cowie products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Beakers Test Tubes Flasks & Accessories with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for VWR Beakers Test Tubes Flasks & Accessories. 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 VWR Conical-Bottom Centrifuge Tubes PTFE Tubes With Screw Caps 12.1245/ 89026-350 we carry a full complement of Beakers Test Tubes Flasks & Accessories as well as other product offerings from Cowie. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs. For a complete selection of VWR Beakers Test Tubes Flasks & Accessories please visit our Cowie page. For more brand name Beakers Test Tubes Flasks & Accessories please visit our Beakers Test Tubes Flasks & Accessories store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. VWR Conical-Bottom Centrifuge Tubes PTFE 12.1245 Tubes With Screw Caps Each