111252 934-AH Filter composed of 100% borosilicate glass (binder free, chemically inert)3.5 cm in diameter Pore size - 1.5 Thickness – 0.435 mm Weight – 64 g/m2 Filtration speed - 47 sec/100mL 100 circles/box Whatman #1827-035 111256 934-AH Filter composed of 100% borosilicate glass (binder free, chemically inert)9 cm in diameter Pore size - Thickness – 0.435 mm Weight – 64 g/m2 Filtration speed - 47 sec/100mL 100 circles/box Whatman #1827-090 111260 GF/A Filter composed of 100% borosilicate glass (binder free, chemically inert)11 cm in diameter Pore size - Thickness – 0.260 mm Weight – 53 g/m2 Filtration speed - 62 sec/100mL 100 circles/box Whatman #1820-110 118939 934-AH Filter composed of 100% Borosilicate glass (binder free, chemically inert), 4.7cm in diameter Pore size - 1.5 micron Thickness – .435 mm Weight – 64 g/m2 Filtration speed - 47 sec./100ML, 100 circles/box WHATMAN #1827-047
