


| Manufacturer | Part Number |
|---|---|
| American Meltblown | WN20S94 |
| Cardinal Process | W-UC-20-R-40-SS |
| Cardinal Process 2 | WE-UC-20-R-40-SS |
| Cardinal Process 3 | WWX-UC-20-R-40-SS |
| Delta Pure | DW-20-33-40-4-D |
| Facet | U20CU40S4 |
| Filter Factory | FNC20R40S |
| FilterCor | FCU20R40S |
| FiltraFine | WF-20C40A |
| Filtration Group | GCN20A40A |
| FWI | CU20A40A |
| Mahle | 4WVA20 |
| Matrix |
CN20A40A
AXCN20A40A XCN20A40A |
| Murdock | MWCN20A40A |
| Neo-Pure | WNC-25400-204 |
| Pall DFT | NC020AW40A |
| Pall Encore | 20NC40A |
| Parker | SWC20U40G |
| Parker Honeycomb | U15R40G |
| Parker XTL | XTL20U40G |
| PecoFacet | PFIU20R40S |
| Reco Filtration | WN20S94 |
| Serfilco | 20B40A |
| Shelco | MS40US20 |
| United | UU20R40S |