Replacement Stopper with Secchi Disc for Turbidity Tube Entomology & Zoology_Dissection 6-pound platform for intermediate-height laboratory

6-pound platform for intermediate-height laboratory stand assemblies

the slower-dissolving variant of the fine crystalline form for salt-crystal-growing demos and solubility-rate experiments

Erlenmeyer Flask with a 1000mL capacity and narrow neck is made of heavy-duty borosilicate 3

Numbered hand-painted cecum model highlights the ileocecal valve and pouch structure at the junction of small and large intestine for digestive anatomy teaching

and S-wave vs P-wave behavior

Replacement Stopper with Secchi Disc for Turbidity Tube Entomology & Zoology_Dissection 6-pound platform for intermediate-height laboratoryPairs a heavy rubber stopper with a 42mm plastic Secchi disc on a threaded post, serving as a drop in replacement for the 2 inch diameter turbidity tube series.