Cylindrical Dropping Funnel with PTFE Stopcock and 29/32 Plastic Stopper, 500mL, Ungraduated, Borosilicate Glass Glass Flasks_Volumetric Flasks -Class B Shows oxygenated and deoxygenated blood

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

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

sized for low-resistance Ohm's-law work where high-resistance components don't draw measurable current

Jumbo-sized for heavier apparatus

Cylindrical Dropping Funnel with PTFE Stopcock and 29/32 Plastic Stopper, 500mL, Ungraduated, Borosilicate Glass Glass Flasks_Volumetric Flasks -Class B Shows oxygenated and deoxygenated bloodCylindrical dropping funnel in borosilicate glass holds 500mL with PTFE stopcock and 29 32 plastic stopper for controlled liquid addition.