

⚡ Filter smarter, faster, cleaner — don’t get left behind!
StonyLab Quantitative Filter Paper Circles offer 94mm diameter cellulose filters with 20 micron particle retention and a rapid filtration speed of 35-70 seconds. With ultra-low ash content (≤0.01%) and perfect compatibility with StonyLab 100mm Buchner funnels, these 100-pack filters deliver precision and efficiency for professional lab environments.






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