Duct doors (KHD) are furnished with hinges and cam latch. Frames are easily attached to duct with notched knock over tabs.
Spec Sheet
| Door Size H × W (in.) | Door Size H × W (mm) | Wall/Ceiling Opening H × W (in.) | No. of Stud Catches/Latches | Shipping Wt. (lbs.) | Shipping Wt. (kg.) |
| 6 × 6 | 152 × 152 | 4 3/4 × 4 3/4 | 1 | 1.1 | 0.5 |
| 8 × 8 | 203 × 203 | 6 3/4 × 6 3/4 | 1 | 1.8 | 0.8 |
| 10 × 10 | 254 × 254 | 8 3/4 × 8 3/4 | 1 | 2.4 | 1.1 |
| 12 × 12 | 305 × 305 | 10 3/4 × 10 3/4 | 1 | 3.2 | 1.5 |
| 14 × 14 | 356 × 356 | 12 3/4 × 12 3/4 | 2 | 4.9 | 2.2 |
| 16 × 16 | 406 × 406 | 14 3/4 × 14 3/4 | 2 | 5.5 | 2.5 |
| 18 × 18 | 457 × 457 | 16 3/4 × 16 3/4 | 2 | 6.6 | 3 |
| 24 × 24 | 610 × 610 | 22 3/4 × 22 3/4 | 2 | 11 | 5 |