| Manufacturer | Item Code | Size | Description |
| DUCTMATE | D3AGA | 250 COUNT | '35 BOLTED CORNER |
| DUCTMATE | DC3B | 250 COUNT | '35 CORNER W/CLIP |
| DUCTMATE | DBJRGA | 250 COUNT | '25 BOLTED CORNER |
| DUCTMATE | DC25 | 250 COUNT | '25 CORNER W/CLIP |
| DUCTMATE | TDC CORNERS | 250 COUNT | TDC STANDARD CORNERS |
| DUCTMATE | TDCC | 250 COUNT | TDC AUTO CORNER |
| DUCTMATE | TDF | 250 COUNT | TDC F100 CORNERS |