Ahlstrom Filtration

Glass Microfiber Filter, 2.4 cm dia, Brilliant White, Grade 161, Standard Grade Type, Circle Format, 0.317 mm Thickness, 1.1 µm Particle Retention in Liquid, 68 g/m2 Nominal Basis Weight, 67 sec/100 ml (Herzberg) Filtration Speed

Qualitative Filter Paper, 12.5 cm dia, White, Cellulose, Grade 617, Standard, Non Wet-strengthened Grade Type, Circle Format, 0.52 mm Thickness, 35 µm Particle Retention in Liquid, 122.9 g/m2 Nominal Basis Weight, Fast Flow, Coarse Porosity

Quantitative Filter Paper, 12.5 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

Qualitative Filter Paper, 24 cm dia, Cotton, Grade 505, Standard Grade Type, Pleated Format, 28 µm Particle Retention in Liquid, 26 sec/100 ml (Herzberg) Filtration Speed, Medium Loading Capacity, 0.06% Low Ash Content

Qualitative Filter Paper, 12.5 cm dia, White, Cellulose, Grade 613, Standard, Non Wet-strengthened Grade Type, Circle Format, 0.18 mm Thickness, 6 µm Particle Retention in Liquid, 70.2 g/m2 Nominal Basis Weight, Medium Flow, Fine Porosity

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

Qualitative Filter Paper, 25 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

Qualitative Filter Paper, 24 cm dia, Cotton, Grade 542, Standard Grade Type, Pleated Format, 2 µm Particle Retention in Liquid, 229 sec/100 ml (Herzberg) Filtration Speed, Medium Loading Capacity, 0.06% Low Ash Content

Low Metal TCLP Filter Paper, 9 cm dia, Brilliant White, Glass Microfiber, Grade 193, Circle Format, 0.7 µm Particle Retention in Liquid, 84 g/m2 Nominal Basis Weight, 274 sec/100 ml (Herzberg) Filtration Speed, High Loading Capacity

Glass Microfiber Filter, 4.7 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, 45 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

Microbiological Monitor Membrane, 47 mm dia, Cellulose Nitrate, Gridded, White with Black Grid, 0.45 µm Pore Size, Sterile, For Use in Colony Counting, Particle Testing and Microscopy