Bel-Art Burets Automatic Self-Zeroing Class B Polyethylene Stopcock SCIENCEWARE. Combining top-notch and uncompromising quality with an affordable price the Bel-Art Burets Automatic Self-Zeroing Class B Polyethylene Stopcock SCIENCEWARE 379180109/ 17579-427 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Closed system borosilicate burets help protect media from external contamination. Plastic push-button stopcock gives drop by drop delivery. Screw clamp adjustment presets drop speed for repeat titrations. Easy-to-read buret graduations are silk-screened blue. Graduation accuracy is Class B. Calibrated to contain specified volumes. Sturdy polyethylene flanged base provides stability. Ordering Information: Borosilicate glass buret comes complete with plastic stopcock assembly and polyethylene bottle filling tube bottle base and screw cap. Specifications for Bel-Art Burets Automatic Self-Zeroing Class B Polyethylene Stopcock SCIENCEWARE 379180109 : Capacity mL: 10 Graduations mL: 0.05 Reservoir mL: 500 Bel-Art No.: H37918-0109 Unit: Each (10 ML) (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Bel-Art products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Pipets & Liquid Handling with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Bel-Art Pipets & Liquid Handling. 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 Bel-Art Burets Automatic Self-Zeroing Class B Polyethylene Stopcock SCIENCEWARE 379180109/ 17579-427 we carry a full complement of Pipets & Liquid Handling as well as other product offerings from Bel-Art. We also carry a full line of Bel-Art accessories to help meet your laboratory and scientific needs. For a complete selection of Bel-Art Pipets & Liquid Handling please visit our Bel-Art page. For more brand name Pipets & Liquid Handling please visit our Pipets & Liquid Handling store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Bel-Art Burets Automatic Self-Zeroing Class B Polyethylene Stopcock SCIENCEWARE 379180109