Cylindrical Dropping Funnel with PTFE Stopcock and 29/32 Plastic Stopper, 500mL, Ungraduated, Borosilicate Glass Glass Flasks_Volumetric Flasks -Class B Wooden handle supports a 12-inch

Wooden handle supports a 12-inch bristle cleaning brush for scrubbing general glassware

Made from quality borosilicate glass

Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input

Supplies air-pressure changes to the PH0150A Boyle's Law apparatus through a foot-operated pump

Cylindrical Dropping Funnel with PTFE Stopcock and 29/32 Plastic Stopper, 500mL, Ungraduated, Borosilicate Glass Glass Flasks_Volumetric Flasks -Class B Wooden handle supports a 12-inchCylindrical dropping funnel in borosilicate glass holds 500mL with PTFE stopcock and 29 32 plastic stopper for controlled liquid addition.