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🧬 Elevate your lab game with precision and speed—filter like a pro!
StonyLab Quantitative Filter Paper Circles offer 74mm diameter cellulose filters with 20 micron particle retention and a fast filtration speed of 35-70 seconds. With ultra-low ash content (≤0.01%) and compatibility with StonyLab Buchner Funnels, these 100-pack filter papers deliver reliable, contamination-free filtration ideal for professional lab environments.



















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