Gel Blotting Papers Whatman® 3MM Thickness 0,34 mm, 57 x 46 cm | Filter papers | Filtration and separation | Filtration, Water Purification, Dialysis | Labware | Carl Roth - International
Whatman 1004-240 Qualitative Filter Papers; 24 cm dia; pore size, 20-25 µ; 100/box from Cole-Parmer
Whatman 1001-813 Quantitative Filter Paper Sheet, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 31mm Length x 26mm Width (Pack of 1000): Science Lab Quantitative Filter Paper: Amazon.com: Industrial & Scientific
What's the difference? Whatman™ folded filter paper - Cytiva - YouTube