The Weltech High-Performance Plastic Inline Duct Fan Series is engineered for high static pressure, whisper-quiet operation, and energy efficiency.
| Model | Duct Size | Voltage / Frequency | Rated Power | Airflow | Static Pressure | Speed | Noise Level |
| WT-PF-100 | 4″ (100 mm) | 110–120V / 220–240V, 50/60Hz | 35 W | 195 CFM (330 m³/h) | 280 Pa | 2,500 RPM | 30 dB(A) |
| WT-PF-150 | 6″ (150 mm) | 110–120V / 220–240V, 50/60Hz | 60 W | 390 CFM (660 m³/h) | 350 Pa | 2,450 RPM | 33 dB(A) |
| WT-PF-200 | 8″ (200 mm) | 110–120V / 220–240V, 50/60Hz | 130 W | 805 CFM (1,360 m³/h) | 520 Pa | 2,400 RPM | 39 dB(A) |
| WT-PF-250 | 10″ (250 mm) | 110–120V / 220–240V, 50/60Hz | 180 W | 1,060 CFM (1,800 m³/h) | 650 Pa | 2,350 RPM | 45 dB(A) |
| WT-PF-315 | 12″ (315 mm) | 110–120V / 220–240V, 50/60Hz | 230 W | 1,450 CFM (2,460 m³/h) | 720 Pa | 2,250 RPM | 48 dB(A) |
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