VWR Black Rubber Stoppers Two-Hole 15-M292 Case of

VWR Black Rubber Stoppers Two-Hole 15-M292 Case of. Combining top-notch and uncompromising quality with an affordable price the VWR Black Rubber Stoppers Two-Hole 15-M292/ 59582-563 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: The standard stopper for all vacuum test tubes in hoods the 15-M292 stoppers have a hole on one end and a nut on the other end. They are designed to provide a vacuum draft of approximately 1 mNaNa when va