Ahlstrom Filtration

Quantitative Filter Paper, 18.5 cm dia, Cotton, Grade 74, Ashless Grade Type, Circle Format, 0.2 mm Thickness, 2 µm Particle Retention in Liquid, 95 g/m2 Nominal Basis Weight, 229 sec/100 ml (Herzberg) Filtration Speed

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

Qualitative Filter Paper, 15 cm dia, White, Cellulose, Grade 615, Standard, Non Wet-strengthened Grade Type, Circle Format, 0.25 mm Thickness, 25 µm Particle Retention in Liquid, 70 g/m2 Nominal Basis Weight, Fast Flow, Fine Porosity

Quantitative Filter Paper, 11 cm dia, Cotton, Grade 54, Ashless Grade Type, Circle Format, 0.241 mm Thickness, 10 µm Particle Retention in Liquid, 87.8 g/m2 Nominal Basis Weight, 34 sec/100 ml (Herzberg) Filtration Speed

Quantitative Filter Paper, 12.5 cm dia, Cotton, Grade 94, Ashless Grade Type, Circle Format, 0.19 mm Thickness, 1.5 µm Particle Retention in Liquid, 94.8 g/m2 Nominal Basis Weight, 1724 sec/100 ml (Herzberg) Filtration Speed

Glass Microfiber Filter, 11 cm dia, Brilliant White, Grade 111, Standard Grade Type, Circle Format, 0.279 mm Thickness, 1.2 µm Particle Retention in Liquid, 56 g/m2 Nominal Basis Weight, 53 sec/100 ml (Herzberg) Filtration Speed

Qualitative Filter Paper, 12.5 cm dia, White, Cellulose, Grade 513, Standard Grade Type, Pleated Format, 0.172 mm Thickness, 6 µm Particle Retention in Liquid, 70.2 g/m2 Nominal Basis Weight, 114 sec/100 ml (Herzberg) Filtration Speed

Qualitative Filter Paper, 12.5 cm dia, Cotton, Grade 517, Standard Grade Type, Pleated Format, 35 µm Particle Retention in Liquid, 19 sec/100 ml (Herzberg) Filtration Speed, Very High Loading Capacity, 0.06% Low Ash Content

Glass Microfiber Filter, 11 cm dia, Brilliant White, Grade 141, Standard Grade Type, Circle Format, 0.66 mm Thickness, 3.1 µm Particle Retention in Liquid, 123 g/m2 Nominal Basis Weight, 19 sec/100 ml (Herzberg) Filtration Speed

Qualitative Filter Paper, 11 cm dia, White, Cotton, Grade 631, Standard, Non Wet-strengthened Grade Type, Circle Format, 0.235 mm Thickness, 10 µm Particle Retention in Liquid, 87.8 g/m2 Nominal Basis Weight, Medium Flow, Coarse Porosity

Sugar Testing Filter Paper, 11 cm dia, Black, Cotton, Grade 8613, Sugar Testing Grade Type, Circle Format, 4 µm Particle Retention in Liquid, 118 sec/100 ml (Herzberg) Filtration Speed, Medium Loading Capacity, 0.06% Low Ash Content

Qualitative Filter Paper, 11 cm dia, White, Cotton, Grade 610, Standard, Non Wet-strengthened Grade Type, Circle Format, 0.19 mm Thickness, 1.5 µm Particle Retention in Liquid, 94.8 g/m2 Nominal Basis Weight, Slow Flow, Fine Porosity