4-Piece Screen-Printed Polypropylene Beaker Set, 100/250/600/1000mL Material_Steel Standard solid rubber stopper provides

Standard solid rubber stopper provides laboratory vessel sealing for chemistry procedures and educational apparatus applications

5x clear views through a 3-inch optical-glass lens with a 6-inch focal length

2A with constantan winding on a vitreous-enameled steel tube and a nickel-plated phosphor-bronze sliding contact

Cylindrical dropping funnel in heavy-duty borosilicate glass holds 250mL with PTFE stopcock and 29/32 plastic stopper for liquid addition

Interlocking polypropylene test tube rack holding 24 tubes up to 25 mm with a fold-up grid

4-Piece Screen-Printed Polypropylene Beaker Set, 100/250/600/1000mL Material_Steel Standard solid rubber stopper providesScreen printed graduations and pour spouts on this four piece polypropylene beaker set (100 1000mL) support classroom chemistry without glass fragility.