Whatman 1004090–100 Grade 4 Qualitative papier filtre, 90 mm d'épaisseur et volume maximum 1621 ml/M (lot de 100) : Amazon.fr: Commerce, Industrie et Science
Whatman 1001-125 Qualitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 125mm Diameter (Pack of 100): Science Lab Quantitative Filter Paper: Amazon.com: Industrial & Scientific
Whatman 1001110 Whatman Papier qualitative Filtre standard Grade 1 : Amazon.fr: Commerce, Industrie et Science