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
Filter Paper Whatman, Grade 4, 12.5 cm/125 mm
Whatman 1001320-DS Qualitative Filter Paper, Grade 1, 11 um, 32.0 cm (Pack of 100): Amazon.com: Industrial & Scientific