Comparison : Item # 4407-04, Pressure Filter / Drying Funnel, 15mL, 20mm Disc Dia., 45mm Height Above Joint, GL-32, Extra Coarse Frit
Item # 4407-06, Pressure Filter / Drying Funnel, 60mL, 40mm Disc Dia., 50mm Height Above Joint, GL-45, Coarse Frit
Item # 4407-08, Pressure Filter / Drying Funnel, 140mL, 65mm Disc Dia., 65mm Height Above Joint, GL-45, Extra Coarse Frit
Item # 4407-10, Pressure Filter / Drying Funnel, 350mL, 80mm Disc Dia., 75mm Height Above Joint, GL-45, Coarse Frit
Item # 4407-12, Pressure Filter / Drying Funnel, 600mL, 90mm Disc Dia., 90mm Height Above Joint, GL-45, Extra Coarse Frit