Whatman Quantitative Filter Paper Grade 41

The fastest ashless filter paper, recommended for analytical procedures involving coarse particles or gelatinous precipitates (e.g. iron or aluminum hydroxides). Also used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates. This filter is also available in the Whatman Disposable Filter Funnel. This is a convenient, disposable 47 mm filter funnel with a 250 mL capacity. The 47 mm Grade 41 filter can be easily removed for further analysis or culturing.