Filter Papers Grade ST61 Standard
Equivalent to Whatman Nº1
Glass Microfiber Filters Grade FV21
Equivalent to Whatman GF/A
Glass Microfiber Filters Grade FV22
Equivalent to Whatman GF/B
Glass Microfiber Filters Grade FV23
Equivalent to Whatman GF/C
Glass Microfiber Filters Grade FV24
Equivalent to Whatman GF/D
Qualitative Filter Papers Grade QL01
Very Fast
Equivalent to Whatman Nº4
Qualitative Filter Papers Grade QL03
Medium
Equivalent to Whatman Nº2
Quantitative Filter Papers Grade QT41
Very Fast
Equivalent to Whatman Nº41
Quantitative Filter Papers Grade QT43
Medium
Equivalent to Whatman Nº40
Quantitative Filter Papers Grade QT45
Very Slow
Equivalent to Whatman Nº42
