Labcon Screw-Cap Microcentrifuge Tubes Screw Cap Tubes With Purple Standard Caps And Assorted Color-Coded Inserts Pack. Combining top-notch and uncompromising quality with an affordable price the Labcon Screw-Cap Microcentrifuge Tubes Screw Cap Tubes With Purple Standard Caps And Assorted Color-Coded Inserts 3614-870-306/ 89004-288 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: These round-bottom screw cap microcentrifuge tubes have a wide-mouth design for easy opening and closing. The large O-ring on the wide-mouth tubes allows easy and thorough centrifugation without splashing. The conical-bottom design prevents splashing and ensures that these tubes remain firmly closed during centrifugation. These round-bottom tubes have a wide O-ring base for complete stability during centrifugation. The uniform cap size shape and curvature provide a tight seal without the need for O-rings or rubber caps. They have molded graduations in millimeters insuring accurate readings. The wide O-ring base ensures a tight seal with cap and insert. The wide O-ring base allows the use of standard or reducer caps. They have a space in the center of the cap for an alignment pin or an descaling pin. The small size has an enlarged center opening and large O-ring base for full range of applications. They are supplied with two assorted color-coded polypropylene plastic retainers increasing the number of cap/receptor combinations per pack to five. Specifications for Labcon Screw-Cap Microcentrifuge Tubes 3614-870-306 Screw Cap Tubes With Purple Standard Caps And Assorted Color-Coded Inserts : Volume mL: 1.5 Style: Conical-Bottom Sterility: Nonsterile Unit: Pack of 500 Maximum RCF: 20000 g (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 Centrifuges with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Labcon 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 Labcon Screw-Cap Microcentrifuge Tubes Screw Cap Tubes With Purple Standard Caps And Assorted Color-Coded Inserts 3614-870-306/ 89004-288 we carry a full complement of Centrifuges 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 Centrifuges please visit our Labcon 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. Labcon Screw-Cap Microcentrifuge Tubes 3614-870-306 Screw Cap Tubes With Purple Standard Caps And Assorted Color-Coded Inserts Pack