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Filter Paper, Whatman No. 1 or Equivalent, 12.5 cm (Fast Filter Rate) (100/Box) - Electro-Glo Distribution
Whatman 1001-070 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 70mm Diameter (Pack of 100): Science Lab Qualitative Filter Paper: Amazon.com: Industrial & Scientific
1001-918 Whatman 1001-918 Qualitative Cellulose Filter Paper 11 µm, 46 cm (500/Pack) New Laboratory Setup Savings - up to 40%, Magnetic Stirrer, Vortex Mixer, Sample Prep, Centrifuge