| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Koch Filter Corp | KOCH 102-081-049 | 20x22x1 |
| | Koch Filter Corp | KOCH 102-031-049 | MULTI-PLEAT XL8-HC 20x22x1 (12/ctn) |
| | Koch Filter Corp | KOCH 102-041-049 | MULTI-PLEAT XL8 20x22x1 (12/ctn) |
| | Koch Filter Corp | KOCH 102-091-049 | 20x22x1 |
| | Koch Filter Corp | KOCH 102-101-049 | 20x22x1 |
| | Koch Filter Corp | KOCH 274-220-220 | C&I Disp Glass 22x22x1 (12/ctn) |
| | Koch Filter Corp | KOCH 284-220-220 | C&I Disp Poly 22x22x1 (12/ctn) |
