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FW-4107
Whatman #41 filter paper, 7.0 cm diameter
FW-4109
Whatman #41 filter paper, 9.0 cm diameter
FW-4111
Whatman #41 filter paper, 11.0 cm diameter
FW-4112
Whatman #41 filter paper, 12.5 cm diameter
FW-4115
Whatman #41 filter paper, 15.0 cm diameter