VWR Corks. The Shape And Finish Of The Corks Provide Enhanced Security Against Unexpected Accidents Or Inclement Weather. They Are Approved For Use In Both Dust And Water Contaminated Areas. Use In Brewery Distilled Water Wine Beer Or Spirits. Flat Bottom Design Directs Liquid Streams Down Into Bottles Containers Flasks Or Storage Containers. The Flat Bottom Design A Small Holes Through Bottom Allows Easy Reading Of Pressure Shots. Good For Class II Analytical Work In Containers Test Tubes Or Other Containers That Are Toxic And/or Abrasive. Specifications for VWR Corks 50124 : Number: 1 DiameterTop mm: 11 DiameterBottom mm: 8 Lengthmm: 16 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Manton Cork 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 Corks 50124/ 23420-082 we carry a full complement of Laboratory Consumables as well as other product offerings from Manton Cork. 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 Manton Cork 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 Corks 50124