US$ 16.00
One-thousand-ohm 0
Economy three-step plastic differential pulley with 20
and reactive-metal electrolysis behavior
Heavy 150 x 25 x 15mm Alnico U-shape with clearly marked poles and a keeper bar
Aluminum S-shape test tube stand designed for chemistry and biology benches
Polypropylene Test Tube Rack for 90 x 13mm Tubes Racks & Stands_Funnel Stands One-thousand-ohm 0Three piece polypropylene test tube rack with a fold up grid frame, holding up to 90 tubes at 13 mm in a 10 by 4 inch footprint and disassembling flat for storage.
US$ 16.00
US$ 152.99
US$ 125.00
US$ 12.00
US$ 34.99
US$ 15.00