| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Koch Filter Corp | KOCH 102-700-030 | 20x25x4 MERV 8 Std Capacity XL8 Pleated Air Filter |
| | Koch Filter Corp | KOCH 102-700-021 | 20x25x2 MERV 8 Std Capacity XL8 Pleated Air Filter |
| | Koch Filter Corp | KOCH 102-499-021 | 20x25x2 |
| | Koch Filter Corp | KOCH 102-499-030 | 20x25x4 |
| | Koch Filter Corp | KOCH 102-500-030 | 20x25x4 |
| | Koch Filter Corp | KOCH 102-701-021 | 20x25x2 |
| | Koch Filter Corp | KOCH 102-701-030 | 20x25x4 |
| | Koch Filter Corp | KOCH 102-714-021 | 20x25x2 |
| | Koch Filter Corp | KOCH 102-714-030 | 20x25x4 |
