VWR Black Rubber Stoppers One-Hole 000M291 Case of

VWR Black Rubber Stoppers One-Hole 000M291 Case of. Combining top-notch and uncompromising quality with an affordable price the VWR Black Rubber Stoppers One-Hole 000M291/ 59581-108 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: The general-purpose round stopper is made of natural rubber and has a hole in the center. It is used for jars bottles and carboys with ground joints or shrink-fitting seals with one end usually provided w