Cork Stopper, 10-Pack Biology_Cell Biology Equipped with an interchangeable polypropylene

Equipped with an interchangeable polypropylene stopper (19/26 socket) and a reliable glass key stopcock

and bulk liquids that attack uncoated metal

and condyles for orthopedic and skeletal anatomy teaching

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

and a semi-circular glass block fill this tabletop optics kit

Cork Stopper, 10-Pack Biology_Cell Biology Equipped with an interchangeable polypropyleneNatural cork bark stoppers with a tapered profile seat into a range of bottle necks and flasks for general purpose non reactive closure.