| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Koch Filter Corp | KOCH 102-718-201 | 20 x 25 x 5 |
| | Koch Filter Corp | KOCH 102-718-202 | 16 x 25 x 3 |
| | Koch Filter Corp | KOCH 102-718-203 | 20 x 20 x 5 |
| | Koch Filter Corp | KOCH 102-718-204 | 20x25x4 KOCH HWELL MERV 11 (3/ctn) |
| | Koch Filter Corp | KOCH 102-718-205 | 16x25x4 KOCH HWELL MERV 11 (3/ctn) |
| | Koch Filter Corp | KOCH 102-718-206 | 20x20x4 KOCH HWELL MERV 11 (4/ctn) |
| | Koch Filter Corp | KOCH 102-718-209 | 20 x 25 x 6 |
