


| Manufacturer | Part Number |
|---|---|
| American Meltblown | WN1S54 |
| Cardinal Process | W-UC-1-R-20-SS |
| Cardinal Process 2 | WE-UC-1-R-20-SS |
| Cardinal Process 3 | WWX-UC-1-R-20-SS |
| Delta Pure | DW-1-33-20-4-D |
| Facet | U1CU20S4 |
| Filter Factory | FNC1R20S |
| FilterCor | FCU1R20S |
| FiltraFine | WF-1C20A |
| Filtration Group | GCN1A20A |
| Fluid Filtration | U1R20S |
| FWI | CU1A20A |
| Mahle | 2EWVA1 |
| Matrix |
CN1A20A
AXCN1A20A XCN1A20A |
| Murdock | MWCN1A20A |
| Neo-Pure | WNC-25200-14 |
| Pall DFT | NC001AW20A |
| Pall Encore | 1NC20A |
| Parker | SWC1U20G |
| Parker Honeycomb | U39R20G |
| Parker XTL | XTL1U20G |
| PecoFacet | PFIU1R20S |
| Reco Filtration | WN1S54 |
| Serfilco | 01B20A |
| Shelco | MS20US1 |
| United | UU1R20S |