Grade 1288 - wide-pored, spongy structure, soft, very high rate of filtration
| Basis Weight | 84 g/m2 |
| Filtration velocity: | 10 ml / 10 seconds |
| Typical Pore Size: | 12 - 15 µm |
| Similar to: | Whatmann 4, S&S 604, M-N 617 |
| Diam. | Code | Grade/Description | Pack of |
| 55 mm | FTR 3.206.055 | 1288 / Filter discs. | 100 |
| 70 mm | FTR 3.206.070 | 1288 / Filter discs. | 100 |
| 90 mm | FTR 3.206.090 | 1288 / Filter discs. | 100 |
| 110 mm | FTR 3.206.110 | 1288 / Filter discs. | 100 |
| 125 mm | FTR 3.206.125 | 1288 / Filter discs. | 100 |
| 150 mm | FTR 3.206.150 | 1288 / Filter discs. | 100 |
| 185 mm | FTR 3.206.185 | 1288 / Filter discs. | 100 |
| 240 mm | FTR 3.206.240 | 1288 / Filter discs. | 100 |