Bel-Art Scienceware AUTO.SELF-ZER25ML F. 1 mL Graduations features borosilicate glass burettes mounted to a high-density polyethylene bottle with a built-in overflow. The glass stopcock has a 2 mm bore and the large stable plastic base can be detached from the reservoir. This burette has white 0.1 mL graduations and is accurate within 1percent of the total volume. Graduation accuracy is Class A. Squeezing the flexible polyethylene bottle forces liquid into the burette. Graduation accuracy is within 1percent of the total volume. Accuracy of the burette is within 1percent of the total volume. Graduation accuracy is Class A. The quick-release polyethylene bottle can be capped and used as a burette. Specifications for Bel-Art Scienceware AUTO.SELF-ZER25ML F37915-0525 : Description: SCIENCEWARE AUTO.SELF-ZER25ML (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 Scienceware AUTO.SELF-ZER25ML F37915-0525/ 62866-176 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 Scienceware AUTO.SELF-ZER25ML F37915-0525