| Related Categories | |
| material | circles |
| cotton filters (high-quality cotton linters) | |
| packaging | pack of 100 |
| mfr. no. | Whatman Article No., 28418045 (US reference) |
| Whatman, 1442-150 | |
| limit | 0.40 psi wet burst |
| 1870 sec/100 mL speed (Herzberg) | |
| diam. | 150 mm |
| thickness | 200 μm |
| ash | ≤0.007% |
| pore size | 2.5 μm (Particle retention) |
| basis weight | 100 g/m2 |
