VWR Black Rubber Stoppers Two-Hole 2--M292 Pack. Combining top-notch and uncompromising quality with an affordable price the VWR Black Rubber Stoppers Two-Hole 2--M292/ 59582-144 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: White two-hole STOPPER-M2 stopcocks comply with FDA regulations for food contact. Made of black FDA-grade high-quality synthetic rubber STOPPER-M2 offers superior pliability and is easily installed by hand. Wide flange base provides excellent support. Composed of high quality synthetic rubber STOPPER-M2 is formulated to provide superior performance consistency and recovery. The high flange and wide base ensure excellent product performance and recovery. Each STOPPER-M2 features a mold-caulked round cross section providing consistent diameters and increased breaking strength over other stoppers on the market. Exceeding FDA regulations STOPPER-M2 is the preferred stopper of choice for petroleum distillation and petrochemical applications. Black color sliver color and notch pattern are custom designed for maximum user safety. Wide flange base provides exceptional holding power for critical control applications. It is also appropriate for distillation and petrochemical applications as distillation and petrochemical operations frequently use these stoppers. The soft mold-caulked bottom keeps product under vacuum during distillation and rinsing operations. Can be frozen if necessary. Contact the Product Line for more information about specific product applications. Specifications for VWR Black Rubber Stoppers Two-Hole 2--M292 : Size: 2 Dia. of Top mm: 20 Dia. of Bottom mm: 16 Length mm: 25 No./lb. (Approx.): 62 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Plasticoid products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Laboratory Consumables with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for VWR Laboratory Consumables. 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 Black Rubber Stoppers Two-Hole 2--M292/ 59582-144 we carry a full complement of Laboratory Consumables as well as other product offerings from Plasticoid. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs. For a complete selection of VWR Laboratory Consumables please visit our Plasticoid page. For more brand name Laboratory Consumables please visit our Laboratory Consumables store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. VWR Black Rubber Stoppers Two-Hole 2--M292 Pack