| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Koch Filter Corp | KOCH 102-031-016 | 18x24x1 MERV 8 High Capacity XL8-HC Pleated Air Filter |
| | Koch Filter Corp | KOCH 102-041-016 | 18x24x1 |
| | Koch Filter Corp | KOCH 102-790-018 | ODORKLEEN ES 18X24X2 (12/ctn) |
| | Koch Filter Corp | KOCH 102-790-027 | ODORKLEEN ES 18X24X4 (6/ctn) |
