Quantitative Filter Papers-Grade 43: 16μm
                                                
                                                    Grade 43: 16 μm*
                                                    Intermediate in retention between Grades 40 and 41, and twice as fast as Grade 40.
                                                    Typical applications include foodstuffs analysis, soil analysis, particle collection in
                                                        air pollution monitoring for subsequent analysis by XRF techniques, and inorganic
                                                    analysis in the construction, mining, and steel industries.