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| Type | KYFT-1380 | KYFT-1220 | KYFT-1060 | KYFT-0900 |
| Overall dimension(mm) | 1380*1380*400 | 1200*1200*400 | 1060*1060*400 | 900*900*400 |
| Fan port add diameter (mm) | 1270 | 1110 | 950 | 790 |
| Revolution of fan leaf (r/min) | 360 | 360 | 427 | 427 |
| Air flow (m³/h) | 44500 | 37000 | 32000 | 29500 |
| Frenquency (Kw) | 1.1 | 0.75 | 0.55 | 0.37 |
| Rated voltage (v) | 380 | 380 | 380 | 380 |
| Noise (dB) | 52 | 51 | 51 | 51 |
| Weight (kg) | 74 | 54 | 42 | 36 |
negrative-pressure exhaust fan used for workshop, greenhouse, poultry