ITEM NAME:10 PCS Laboratory Solid Rubber Plug Stoppers Bungs Flask Tapered Tube Plugs Description: Rubber plug is in chemical experiments used to seal equipment, mainly used in pharmaceutical, chemical, mechanical, and scientific research industry stopper or plug, is mainly used for the container or sealed glass tube perforation of the carrier. (which can be conveniently used to make holes in the diameter of each of them). Materialï ¼Å¡Rubber Colorï ¼Å¡White Temperature Range: - 20 ~100 Size: 17x13x24mm(5pc) and 15x11x20mm(5pc), 10Pcs in total. Package Includes: 10 Pieces of Rubber Plugs SKU: DMO0017029619417213.10 Pieces of Rubber Plugs. Materialï ¼Å¡Rubber. Temperature Range: - 20 ~100. Size: 17x13x24mm(5pc) and 15x11x20mm(5pc), 10Pcs in total. SKU: DMO0017029619417213.