VWR Black Rubber Stoppers Two-Hole 11-M292 Case of

VWR Black Rubber Stoppers Two-Hole 11-M292 Case of. Combining top-notch and uncompromising quality with an affordable price the VWR Black Rubber Stoppers Two-Hole 11-M292/ 59582-440 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Reusable black stopper resists acids alkalis and most solvents. Ideal for use with flasks with ground joints or tapered tops and for many other applications requiring a standard stopper. Contains no phtha