Rubber Stopper - #13 With Hole

• Ideal Size: 2 5/16' - 2 11/16' • Convert to Solid: Plug with #000 Solid Stopper (FE400) • Versatile Rubber Stopper

This rubber stopper is great for lab experiments or home DIY projects. It's suitable for students, hobbyists, and lab technicians. The size ranges from 2 5/16' to 2 11/16'. If you need a solid stopper, just use a #000 solid stopper (FE400) to plug the hole.