Qualitative Filter Papers – Grade 1: 11µm
                                                
                                                    Grade :Grade 1
                                                        Grade Type :Standard
                                                        Typical Particle Retention in Liquid1 :11 µm
                                                        Nominal Thickness :180 µm
                                                        Typical water flow rate2 :57 ml/min
                                                        Nominal Basis Weight :87 g/m²
                                                        Nominal Air Flow Rate :13 s/100 ml/in²
                                                        Nominal Ash Content :0.06%
                                                    Material :Cellulose
                                                    Format :Sheets
                                                        Dimensions :580 x 680 mm (22 x 26 in)
                                                    Pack size :100 pieces