Wide Mouth Reagent Bottle with Glass Penny Stopper, 1000mL, Borosilicate 3.3 Glass Subcategory_Sound and Resonance the lower-friction variant of the

the lower-friction variant of the metal-bearing bench-clamp pulley in the series

Three-part color-coded human skull model differentiates bone regions and sutures for detailed cranial anatomy instruction

Tandem double plastic pulley pairing 38mm and 50mm low-friction wheels on an open-sided steel frame

demonstrating atmospheric pressure through evacuated twin-hemisphere separation work

Wide Mouth Reagent Bottle with Glass Penny Stopper, 1000mL, Borosilicate 3.3 Glass Subcategory_Sound and Resonance the lower-friction variant of theWide mouth reagent bottle in heavy duty borosilicate glass holds 1000mL with glass penny stopper for chemical storage and laboratory handling.