| Initial Resistance | 0.15 to 0.34 in WG |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Koch Filter Corp | KOCH 102-500-005 | 15x20x1 102500005 |
| | Koch Filter Corp | KOCH 102-500-003 | 14x20x1 102500003 |
| | Koch Filter Corp | KOCH 102-500-006 | 16x20x1 102500006 |
| | Koch Filter Corp | KOCH 102-500-008 | 20x20x1 102500008 |
| | Koch Filter Corp | KOCH 102-500-009 | 20x25x1 102500009 |
| | Koch Filter Corp | KOCH 102-500-001 | 10x20x1 102500001 |
| | Koch Filter Corp | KOCH 102-500-002 | 12x24x1 102500002 |
| | Koch Filter Corp | KOCH 102-500-004 | 14x25x1 102500004 |
| | Koch Filter Corp | KOCH 102-500-007 | 16x25x1 102500007 |
