







⚡ Filter smarter, faster, cleaner — because precision waits for no one!
StonyLab Quantitative Filter Paper Circles offer a 74mm diameter cellulose medium with 20 micron particle retention and a rapid filtration speed of 35-70 seconds. Designed for high purity with ash content ≤0.01%, these filter papers are ideal for precise laboratory filtration and are fully compatible with StonyLab Porcelain Buchner Funnels.
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