| Related Categories | |
| material | circles |
| cotton filters (high-quality cotton linters) | |
| packaging | pack of 100 |
| mfr. no. | Whatman Article No., 28418019 (US reference) |
| Whatman, 1441-125 | |
| limit | 0.22 psi wet burst |
| 54 sec/100 mL speed (Herzberg) | |
| diam. | 125 mm |
| thickness | 220 μm |
| ash | ≤0.007% |
| pore size | 20-25 μm (Particle retention) |
| basis weight | 85 g/m2 |
