| Cat. No. | Ø mm | Pore size µm | Colour | PK | |
|---|---|---|---|---|---|
| 4006876 | 25 | 0.20 | White | 100 | |
| 4006878 | 47 | 0.20 | White | 100 | |
| 4006881 | 25 | 0.45 | White | 100 | |
| 4006883 | 47 | 0.45 | White | 100 | |
| 4006890 | 47 | 5.00 | White | 100 |
Made entirely of PTFE (polytetrafluorethylene), reinforced by Polypropylene net.
- Permanently hydrophobic
- Allowing passage of air even at low differential pressure
- Resistant to almost all chemicals, very strong acids, cryoliquids, alkalis, aggressive organic solvents
- Must be pre-wetted with an organic solvent, such as ethanol, methanol or isopropanol, before filtration of aqueous samples
- Max. Temperature 145 °C