Labcon Dual-Position Caps Polyethylene. Caps are supplied with either one or two adjustable catchers depending upon the model of centrifuge and method desired. Made of durable cross-welded polyethylene material caps provide a safe and secure fit reliable performance and excellent chemical and corrosion resistance. The universal design suits most centrifuge designs offering the option of single- or double-seal closures. Centrifugal caps prevent splashing and keep powders and other contaminates contained in inert barrier liquids. Return to zero after centrifugation with clean dry labware and a clean air environment. Caps also prevent contamination of contamination-free environments and allow one- or two insertions per cap. Ordering Information: Caps are supplied in a bag of 1000 pieces. Bag content information relates to caps that have two openings for dust cover or self-standing lid. Specifications for Labcon Dual-Position Caps Polyethylene 3500-800-000 : For Tubes mm: 17 x 100 Unit: Case of 1000 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Labcon 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 Labcon 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. 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 Labcon Dual-Position Caps Polyethylene 3500-800-000/ 60819-091 we carry a full complement of Labware & Accessories as well as other product offerings from Labcon. We also carry a full line of Labcon accessories to help meet your laboratory and scientific needs. For a complete selection of Labcon Labware & Accessories please visit our Labcon 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. Labcon Dual-Position Caps Polyethylene 3500-800-000