StonyLab Quantitative Filter Paper Circles, 56mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100
stonylab
Labasics Quantitative Filter Paper Circles, 110 mm Diameter Cellulose Filter Paper with 15 to 20 Micron Particle Retention Medium Filtration Speed, Pack of 100
Labasics
stonylab Qualitative Filter Paper, 56 mm Diameter Fast Speed Cellulose Filter Paper Circles, 25 Microns Particle Retention, 100 Packs
stonylab
LabExact 1200072 Grade CFP41 Quantitative Cellulose Filter Paper, 20µm, 15cm (Pack of 100)
LabExact