Whatman

Description

⚡ Filter faster, analyze smarter — don’t get left behind!

Whatman Grade 4 quantitative filter paper circles (110mm diameter) deliver ultra-fast filtration with a 3.7 s/100mL/sq inch flow rate and retain coarse particles sized 20-25 microns. Perfect for qualitative analytical techniques and air pollution monitoring where speed and reliable retention of gelatinous precipitates are essential. Pack of 100 ensures you stay stocked for high-volume lab demands.