There are two types of njord spin-on fine filters available. One for the larger housings and one for the smaller housings.
The special 2 or 10 micron absolute water block fine filter removes emulsified water as well as sediments
| WBX-2 | Absolute Water Block | 2 Micron |
| WBX-10 | Absolute Water Block | 10 Micron |
| WBXS-2 for small housing | Absolute Water Block | 2 Micron |
| WBXS-10 for small housing | Absolute Water Block | 10 Micron |