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Whatman 1442-070 Grade 42 Circles 70 mm 100/pk Pore size 2.5 μm

Filter paper Whatman GF/B 47mm cat 1821-047 Glass micro fiber

Cellulose Nitrate Membrane Filter | Whatman 7182-002 WCN Plain

Whatman Filter Paper Grade 1 Circles 90 mm 100/pk

PM-996 Parafilm M Roll 4 IN x 125 FT

Whatman 1001-150 Filter Paper Grade 1 Circles 150 mm

Whatman 1001-125 Grade 1 Circles, 125mm, 100/pk Pore size 11 μm

Whatman 1441-150 Grade 41 Circles, 150mm, 100/pk Pore size 20 μm

Whatman 1003-150 Grade 3 Circles, 150mm, 100/pk Pore size 6

Whatman 1825-025 GF/F Glass Circles, 25mm, 100/pk Pore size 0,7 μm