| Series: | 657 |
|---|---|
| Used With: | Model 664 Model 654 |
| Product Type: | Return Grille |
| Overall Size: | 15-3/4" x 5-3/4" |
| Height (Wall Opening): | 4" |
| Width (Wall Opening): | 14" |
| Color: | White |
| Material: | Steel |
| Application: | HVAC |

The 14" x 6" size refers to the back connection. Please refer to the diagram linked below for complete dimensions. http://s3.pexsupply.com/manuals/1329150400126/71271_PROD_FILE.pdf