H

Beakers; Droppers for measuring, other than for medical or household purposes; Flasks for laboratory use; Graduated glassware; Laboratory apparatus and instruments, namely, pre-packed columns for use in chemical synthesis; Laboratory equipment, namely, funnels; Laboratory glassware, namely, burettes; Measuring glassware; Petri dishes; Reactors, coils, retorts and crackers for use in high temperature chemical reactions