Description
Semi-permeable paper barrier placed perpendicular to a liquid or air flow. Used to separate fine solids from liquids or air.
Brand: Whatmann
Description: Whatman Filter Paper, Qualitative, Medium Speed, Grade 1, Dia, 11um Pore Size, Biodegradable, 100/Pack
Properties: Biodegradable
Size: No.1
30mm- 42.5mm- 55mm - 70mm - 85mm - 90mm - 110mm - 125mm - 150mm - 185mm - 240mm - 270mm - 320mm - 460mm
Unit: 100 Pieces/Box
UOM: PK
General Description:
| Whatman No. | Double Ring | Particle Retention in Micron | Speed |
| 1 | 102 | 8-10 | Medium |
| 40 | 202 | 8-10 | Medium |
| 41 | 201 | 18-20 | Fast |
| 42 | 203 | 2-5 | Slow |