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FW-107
Whatman #1 filter paper, 7.0 cm diameter
FW-109
Whatman #1 filter paper, 9.0 cm diameter
FW-111
Whatman #1 filter paper,11.0 cm diameter
FW-112
Whatman #1 filter paper, 12.5 cm diameter
FW-115
Whatman #1 filter paper, 15.0 cm diameter
FW-118
Whatman #1 filter paper, 18.5 cm diameter
FW-124
Whatman #1 filter paper, 24.0 cm diameter