| Product Code | Face Size Metric | Inlet Designation Imperial |
| STHC6 | 595 x 595 Face | 6 |
| STHC8 | 595 x 595 Face | 8 |
| STHC10 | 595 x 595 Face | 10 |
| STHC12 | 595 x 595 Face | 12 |
*Grilles are white*
*STHC is a thermal VAV diffuser with full modulation on both heating and cooling*