VWR Testing Sieve BRS/SS STD20. The unique expandable angled brass frame on the EZ-Cum Sifter Sieves from Advantech Manufacturing can accommodate a wider variety of testing methods and speeds and the additional handle makes the EZ-Cum Sieve easy to handle at an angle. The angled brass frame on the EZ-Cup Sieves from Advantech Manufacturing can tilt the sieve back and forth for convenient use and sample placement. The additional handle makes the EZ-Cup Sieve easy to handle at an angle. The black finish on the EZ-Cup Sieves from Advantech Manufacturing adds little or no value to the sieves tested. Specifications for VWR Testing Sieve BRS/SS STD20 20BS12I : Description: VWR TESTING SIEVE BRS/SS STD20 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Advantech Manufacturing products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Labware & Accessories with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for VWR Labware & 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. In addition to the VWR Testing Sieve BRS/SS STD20 20BS12I/ 47730-078 we carry a full complement of Labware & Accessories as well as other product offerings from Advantech Manufacturing. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs. For a complete selection of VWR Labware & Accessories please visit our Advantech Manufacturing page. For more brand name Labware & Accessories please visit our Labware & 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 Testing Sieve BRS/SS STD20 20BS12I