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Filter paper diameter: 70mm Coarse cellulose filter papers remove particles > 20 µm Filtration Speed: 35 – 70 sec Ash content: ≤0.01% 1-year limited manufacturer warranty
stonylab
StonyLab Qualitative Filter Paper Circles, 70mm Diameter Cellulose with 20 Micron Particle...
StonyLab Quantitative Filter Paper Circles, 46mm Diameter Cellulose with 20 Micron Particle...
StonyLab Quantitative Filter Paper Circles, 74mm Diameter Cellulose with 20 Micron Particle...
StonyLab Quantitative Filter Paper Circles, 94mm Diameter Cellulose with 20 Micron Particle...
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