Quantitative filter paper / kertas saring laboratorium tersedia dalam ukuran: 9cm medium speed、12.5cm medium speed、15cm medium speed, 7cm medium speed, 11 cm medium speed SETIAP KOTAK BERISI 100 LEMBARLUBANG MAKSIMAL 15-20μm,KECEPATAN FILTER 35-70s,ABU≤0.15%,BERAT 80±4g/m2