| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Koch Filter Corp | KOCH 102-499-023 | 12x24x4 |
| | Koch Filter Corp | KOCH 102-094-005 | 16x24x4 |
| | Koch Filter Corp | KOCH 102-094-010 | 25x29x4 |
| | Koch Filter Corp | KOCH 102-499-025 | 16x20x4 |
| | Koch Filter Corp | KOCH 102-499-026 | 16x25x4 |
| | Koch Filter Corp | KOCH 102-499-027 | 18x24x4 |
| | Koch Filter Corp | KOCH 102-499-028 | 20x20x4 |
| | Koch Filter Corp | KOCH 102-499-029 | 20x24x4 |
| | Koch Filter Corp | KOCH 102-499-030 | 20x25x4 |
| | Koch Filter Corp | KOCH 102-499-031 | 24x24x4 |
| | Koch Filter Corp | KOCH 102-714-036 | 12x24x6 |
| | Koch Filter Corp | KOCH 102-714-041 | 24x24x6 |
| | Koch Filter Corp | KOCH 102-714-043 | 10x20x6 |
