| PEEK-encased Prefilter 0.5 µm | 04250317553461 | Chromsystems Instruments + Chemicals GmbH | Class A | |
| PEEK-encased Prefilter 2 µm | 04250317501578 | Chromsystems Instruments + Chemicals GmbH | Class A | |
| PEEK-encased Prefilter 5 µm | 04250317501554 | Chromsystems Instruments + Chemicals GmbH | Class A | |
| Precolumn Cartridge 4/10 | 04250317554611 | Chromsystems Instruments + Chemicals GmbH | Class A | |
| Prefilter 0.5 µm | 04250317536204 | Chromsystems Instruments + Chemicals GmbH | Class A | |
| Restrictor Capillary | 04250317558084 | Chromsystems Instruments + Chemicals GmbH | Class A | |
| Stainless Steel Prefilter 0.2 µm | 04250317542533 | Chromsystems Instruments + Chemicals GmbH | Class A | |
| Stainless Steel Prefilter 0.5 µm | 04250317537577 | Chromsystems Instruments + Chemicals GmbH | Class A | |