| Component | Primary (Outer) Element | Secondary (Inner) Element |
| Part Number | 250007-838 | 250007-839 |
| Function | Bulk contaminant removal ($99.9\%$) | Safety backup / Micro-particle capture |
| Material | Heavy-duty pleated cellulose | Synthetic safety media |
| Seal Type | Axial / Radial Compression | Radial Seal |
| Structure | Expanded metal outer cage | Reinforced internal core |
| Application | Sullair LS25S-250H Series | Sullair LS25S-250H Series |