VWR Screw-Cap Microcentrifuge Tubes Screw Cap Tubes With Purple Standard Caps And Assorted Color-Coded Inserts Pack of 500. Combining top-notch and uncompromising quality with an affordable price the VWR Screw-Cap Microcentrifuge Tubes Screw Cap Tubes With Purple Standard Caps And Assorted Color-Coded Inserts 3654-875-306/ 89004-294 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: These round-bottom microcentrifuge tubes feature a wide mouth to accommodate a wide variety of PCR-free DNA or protein containing samples. Tubes have either a purple standard cap or a purple special caps with an insert with an internal anti-stick surface that prevents the tube from centrifuging prematurely during boiling or boiling. Tubes certified to be RNase- DNase- and pyrogen-free. General-purpose screw cap tubes are supplied with caps that are attached to a tether and fit into a separate cap-sliding container which is also tethered to the tube. The large writing patch on the capslid gives an indication that caps are attached. Tubes without capslidges are supplied without tubeslidges. Specifications for VWR Screw-Cap Microcentrifuge Tubes 3654-875-306 Screw Cap Tubes With Purple Standard Caps And Assorted Color-Coded Inserts : Volume mL: 1.5 Style: Freestanding Sterility: Sterile 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 VWR 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 VWR Screw-Cap Microcentrifuge Tubes Screw Cap Tubes With Purple Standard Caps And Assorted Color-Coded Inserts 3654-875-306/ 89004-294 we carry a full complement of Centrifuges as well as other product offerings from Labcon. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs. For a complete selection of VWR 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. VWR Screw-Cap Microcentrifuge Tubes 3654-875-306 Screw Cap Tubes With Purple Standard Caps And Assorted Color-Coded Inserts Pack of 500