StonyLab Borosilicate Glass Buchner Filtering Funnel with Fine Frit(G3), 94mm Inner Diameter, 100mm Depth, with 24/40 Standard Taper Inner Joint and Vacuum Serrated Tubulation, 500ml
ACE GLASS 30mL 30mm Diameter Medium M Porosity D Fritted Buchner Filter Funnel B | eBay
Sintered Disc Porosity Information For Choosing Correct Porosities For Appications