Nalge Nunc Centrifuge Tube Closures Polypropylene NALGENE. Combining top-notch and uncompromising quality with an affordable price the Nalge Nunc Centrifuge Tube Closures Polypropylene NALGENE DS3111-0030/ 21010-965 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Friction-fit polypropylene closures designed for NALGENE round or conical centrifuge tubes. Pull tab for closure removal. Autoclavable. May not provide liquid-tight seal at high speeds. Specifications for Nalge Nunc Centrifuge Tube Closures Polypropylene NALGENE DS3111-0030 : ClosureNo.: 30 Fits TubeDia. mm: 28.7 Fits TubeVol. mL: 50 NNI No.: DS3111-0030 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Nalge Nunc products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Centrifuges with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Nalge Nunc Centrifuges. 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 Nalge Nunc Centrifuge Tube Closures Polypropylene NALGENE DS3111-0030/ 21010-965 we carry a full complement of Centrifuges as well as other product offerings from Nalge Nunc. We also carry a full line of Nalge Nunc accessories to help meet your laboratory and scientific needs. For a complete selection of Nalge Nunc Centrifuges please visit our Nalge Nunc page. For more brand name Centrifuges please visit our Centrifuges store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Nalge Nunc Centrifuge Tube Closures Polypropylene NALGENE DS3111-0030