| Product Name | 42-inch seven-leaf DC negative pressure fan |
| Product Model | D42P7A |
| Rated Voltage | Single Phase/220V/60Hz/7.4A |
| Motor Parameters | 1.5HP/16P/F class/IP66 |
| Power Consumption | 910W±5% |
| Fan Speed Control | Stepless Speed Control (with DC Motor Speed Regulator) |
| Maximum Speed | 660RPM |
| Maximum Air Volume | 24000 cubic meters/hour±10% |
| Noise Level | ≦74dB (Measured 3 meters from the fan) |
| Product Dimensions | 106×106×Height 55cm |
| Product Weight | 32kg |
| Suggested Retail Price | NT$24,800 |