VWR Red Vacuum Rubber Tubing 50" Coil Length. It is inserted between glass valves with a vacuum manifold to provide a complete seal. The vacuum increases as the vacuum is removed until the entire sample volume has been exhausted. Red vacuum rubber tubing is easily identified by its distinctive patented color change. The vacuum rubber tubing is easily ruptured by hand without heat or flame. It is used in mechanical rotary evaporators vacuum pumps DNA and RNA vats and for many other applications. It absorbs up to three times its weight in vacuum. The vacuum rubber tubing is used with mechanical rotary valves with glass or valve-type headspaces. Specifications for VWR Red Vacuum Rubber Tubing 9776 50" Coil Length : I.D. x O.D. in.: 5/8 x 13/8 Wall Thickness in.: 3/8 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Smith System products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Laboratory Consumables with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for VWR Laboratory Consumables. 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 Red Vacuum Rubber Tubing 50" Coil Length 9776/ 62995-120 we carry a full complement of Laboratory Consumables as well as other product offerings from Smith System. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs. For a complete selection of VWR Laboratory Consumables please visit our Smith System page. For more brand name Laboratory Consumables please visit our Laboratory Consumables store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. VWR Red Vacuum Rubber Tubing 9776 50" Coil Length