| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Koch Filter Corp | KOCH 102-034-005 | 16x24x4 |
| | Koch Filter Corp | KOCH 102-034-010 | 25x29x4 |
| | Koch Filter Corp | KOCH 102-701-023 | 12x24x4 |
| | Koch Filter Corp | KOCH 102-701-024 | 15x20x4 |
| | Koch Filter Corp | KOCH 102-701-025 | 16x20x4 |
| | Koch Filter Corp | KOCH 102-701-026 | 16x25x4 |
| | Koch Filter Corp | KOCH 102-701-027 | 18x24x4 |
| | Koch Filter Corp | KOCH 102-701-028 | 20x20x4 |
| | Koch Filter Corp | KOCH 102-701-029 | 20x24x4 |
| | Koch Filter Corp | KOCH 102-701-030 | 20x25x4 |
| | Koch Filter Corp | KOCH 102-701-031 | 24x24x4 |
