Gel Blotting Papers Whatman® 3MM Thickness 0,34 mm, 20 x 20 cm | Filter papers | Filtration and separation | Filtration, Water Purification, Dialysis | Labware | Carl Roth - International
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
Whatman 1001-047 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 47mm Diameter (Pack of 100): Science Lab Quantitative Filter Paper: Amazon.com: Industrial & Scientific