Pyrex® Graduated Funnel, for 47 mm Microfiltration Assembly, Capacity 300 mL, Corning (CAT#: STEM-L-2095-LKN) Pyrex® Graduated Funnel, for 47 mm Microfiltration Assembly, Capacity 1 L, Corning (CAT#: STEM-L-2096-LKN) Pyrex® Fritted Support Base with 40/35 Joint, for 47 mm Microfiltration Assembly, Coarse Frit, Corning (CAT#: STEM-L-2098-LKN)