Ahlstrom Filtration Grade 392 Low Ash Quantitative Filter Paper, 24 cm dia

Quantitative Filter Paper, 24 cm dia, Cotton, Grade 392, Low Ash Grade Type, Circle Format, 5 to 8 µm Particle Retention in Liquid, 300 sec/100 ml (Herzberg) Filtration Speed, Medium Loading Capacity, 0.01% Ash Content