6-Pack 2-Part Polypropylene Buchner Funnels for 11-12.5cm Filter Paper, 13cm ID Entomology & Zoology_Entomology Supplies sized for short-reach high-current branched

sized for short-reach high-current branched circuits where shielded-plug safety is required

this metal bench clamp anchors force-table and simple-machine experiments in physics classrooms

deflecting visibly in the presence of a charged object to reveal both charge presence and polarity

Engineered to expose both AC and DC generation on a single hand-cranked apparatus

Convex glass mirror at 50mm diameter and 300mm focal length

6-Pack 2-Part Polypropylene Buchner Funnels for 11-12.5cm Filter Paper, 13cm ID Entomology & Zoology_Entomology Supplies sized for short-reach high-current branchedBuilt for vacuum filtration, these two part polypropylene Buchner funnels fit 11 12. 5cm filter paper in a 6 pack for bulk filtering workflows.