Lista de artículos del fabricante: Macherey-Nagel - Primera letra: .
| Número de artículo | Descripción |
| 7242FR55 | .2FR.5-5 .2FR.5-5 Frit 1/32", 0.2 micron 0.25 mm thick, 316SS pack of 5 |
| 7245FR110 | .5FR1-10 .5FR1-10 Frit 1/16", 0.5 micron 0.75 mm thick, 316 SS pack of 10 |
| 7245FR1HC10 | .5FR1HC-10 .5FR1HC-10 Frit 1/16", 0.5 micron 0.75 mm thick, Hastelloy C pack of 10 |
| 7245FR210 | .5FR2-10 .5FR2-10 Frit 1/8", 0.5 micron 1 mm thick, 316 SS pack of 10 |
| 7245FR410 | .5FR4-10 .5FR4-10 Frit 1/4", 0.5 micron 1 mm thick, 316 SS pack of 10 |
| 7245FR55 | .5FR.5-5 .5FR.5-5 Frit 1/32", 0.5 micron 0.25 mm thick, 316SS pack of 5 |
