| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Koch Filter Corp | KOCH 118-701-001 | METAL FILTER-ALUM 16X20X1 |
| | Koch Filter Corp | KOCH 118-700-001 | METAL FILTER-STEEL 16X20X1 |
| | Koch Filter Corp | KOCH 118-700-006 | METAL FILTER-STEEL 16X20X2 |
| | Koch Filter Corp | KOCH 118-700-011 | METAL FILTER-STEEL 16x20x4 |
| | Koch Filter Corp | KOCH 118-701-006 | METAL FILTER-ALUM 16X20X2 |
| | Koch Filter Corp | KOCH 118-701-011 | METAL FILTER-ALUM 16x20x4 |
