| Initial Resistance | 0.16 to 0.37 in WG |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Koch Filter Corp | KOCH 102-499-002 | 12x24x1 102499002 |
| | Koch Filter Corp | KOCH 102-499-001 | 10x20x1 102499001 |
| | Koch Filter Corp | KOCH 102-499-004 | 14x25x1 102499004 |
| | Koch Filter Corp | KOCH 102-499-005 | 15x20x1 102499005 |
| | Koch Filter Corp | KOCH 102-499-006 | 16x20x1 102499006 |
| | Koch Filter Corp | KOCH 102-499-007 | 16x25x1 102499007 |
| | Koch Filter Corp | KOCH 102-499-009 | 20x25x1 102499009 |
| | Koch Filter Corp | KOCH 102-499-010 | 24x24x1 102499010 |
| | Koch Filter Corp | KOCH 102-499-008 | 20x20x1 102499008 |
