12.5 cm Filter Paper #415 (Fast 25um)/pack of 100

12.5 cm (125 mm) Grade 415 Filter Paper, Qualitative, Crepe Good for coarse precipitates such as aluminum hydroxide, cobalt carbonate, mercury iodide, magnesium hydroxide, and more. Porosity Coarse Particle Retention 25 µm Flow Rate Fast Fits 700ml & 750ml Buchner Funnels and 1000ml Poly Buchner funnel