G-3 Porosity Borosilicate Glass Buchner Funnel with Jointed Stem Activity Kits_Weather Pre-racked self-standing 50mL amber polypropylene

Pre-racked self-standing 50mL amber polypropylene tubes ship in a 25-pack for light-sensitive sample workflows with flexible bench-placement options

Three-level wooden tower stands 22 inches tall with three 10-inch base plates compatible with major building-brick brands for stacked construction play

Portable alkalinity kit measures buffering capacity through titration methods

interchangeable 19/26 polypropylene stopper

G-3 Porosity Borosilicate Glass Buchner Funnel with Jointed Stem Activity Kits_Weather Pre-racked self-standing 50mL amber polypropyleneBorosilicate 3. 3 glass Buchner funnel with a G 3 sintered disc and interchangeable jointed stem, eliminating the need for filter paper in fine particle filtration.