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Whatman 1001320-DS Qualitative Filter Paper, Grade 1, 11 um, 32.0 cm (Pack of 100): Amazon.com: Industrial & Scientific
CYTIVA WHATMAN Qualitative Filter Paper: Cellulose, CFP1, 9 cm Dia, 100 PK - 32HH70|1001-090 - Grainger
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10311897 Whatman 10311897 Cellulose Filter Paper 30 µm, 58 mm (100/Pack) Ohaus Scale, Magnetic Stirrer, Vortex Mixer, Sample Prep, Centrifuge
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1004-648 Whatman 1004-648 Qualitative Cellulose Filter Paper 20-25 µm, 38mm (1/Pack) Ohaus Scale, Magnetic Stirrer, Vortex Mixer, Sample Prep, Centrifuge
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Whatman 1001-125 Qualitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 125mm Diameter (Pack of 100) - Walmart.com
WHATMAN Qualitative Filter Paper, Cellulose, Grade 1, 18.5cm Diameter, 11.0um Pore Size, PK 100 - 8VRC2|1001-185 - Grainger
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