Red Molecular Model Atom, 1.5cm, 1 Hole, 10-Pack Graduations_50mL Twenty-six-piece borosilicate glass gas preparation

Twenty-six-piece borosilicate glass gas preparation kit assembling flasks

this USB 2

Three-hundred-millimeter black 2mm-stackable lead with nickel-plated split-hollow pins on both ends

Soxhlet extraction apparatus in borosilicate glass features 200mL extractor for analytical extraction of organic compounds from solid samples

Mounted on a metal base with lenses fixed in their working positions

Red Molecular Model Atom, 1.5cm, 1 Hole, 10-Pack Graduations_50mL Twenty-six-piece borosilicate glass gas preparationTerminal one hole red atoms in a 10 pack at 1. 5cm diameter, conventionally representing oxygen at a bond terminus in molecular model structures.