db11 FunChem Qualitative Filter Paper Circles,94 mm Diameter Cellulose Lab Filter Paper,20 Micron Particle...
stonylab Qualitative Filter Paper, 100 Packs Slow Flow Rate Cellulose Filter Paper Circles with 10 Micron...
StonyLab Quantitative Filter Paper Circles, 94mm Diameter Cellulose Filter Paper with 20 Micron Particle...
Eisco Labs Premium Qualitative Filter Paper, 11cm Dia, Medium Speed (85 GSM), 10? (10 Micron) Pore Size
Labasics Quantitative Filter Paper Circles, 110 mm Diameter Cellulose Filter Paper with 15 to 20 Micron...