


| Manufacturer | Part Number |
|---|---|
| Cardinal Process | W-FN-50-R-40-SS |
| Cardinal Process 2 | WE-FN-50-R-40-SS |
| Delta Pure | DW-50-11-40-4-D |
| Facet | U50N40S4 |
| FilterCor | FCN50R40S |
| Filtration Group | GN50A40A |
| FWI | N50A40A |
| Mahle | 4WNA50 |
| Matrix |
N50A40A
AXN50A40A XN50A40A |
| Murdock | MWN50A40A |
| Pall DFT | N050AW40A |
| Parker Honeycomb | N11R40G |
| PecoFacet | PFIN50R40S |
| Serfilco | 50N40A |
| Shelco | MS40NS50 |
| United | UN50R40S |