Whatman Extraction Thimbles Whatman Single Thickness. Combining top-notch and uncompromising quality with an affordable price the Whatman Extraction Thimbles Whatman Single Thickness 2800-339/ 27730-140 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Thimbles made of high grade cotton cellulose. Smooth interior surface. Absolutely seamless. Fit most Soxhlet extraction devices. Single thickness thimbles have walls approximately 1mm thick. Double thickness thimbles have walls approximately 2mm thick which will not allow even the finest precipitates to pass through. Specifications for Whatman Extraction Thimbles Whatman 2800-339 Single Thickness : I.D. mm: 33 OverallLength mm: 94 Whatman No.: 2800-339 Unit: Pack of 25 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Whatman products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Filters with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Whatman Filters. 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 Whatman Extraction Thimbles Whatman Single Thickness 2800-339/ 27730-140 we carry a full complement of Filters as well as other product offerings from Whatman. We also carry a full line of Whatman accessories to help meet your laboratory and scientific needs. For a complete selection of Whatman Filters please visit our Whatman page. For more brand name Filters please visit our Filters store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Whatman Extraction Thimbles Whatman 2800-339 Single Thickness