
1. Stepless speed regulation
Continuous speed adjustment allows you to choose the wind volume flexibly.
2. High-efficiency energy 
Permanent magnet motor with true frequency conversion, high-efficiency energy saving and powerful power output. 
3. Low noise 
The permanent magnet motor operates smoothly and quietly, thanks to internal noise reduction measures and a scientifically designed air duct. 
4. Weather resistance housing material 
Apply temperature stable rock-wool sandwich panel as housing material to protect the insulation from damaged.
5. Anit-corrosion coated panel 
The epoxy coated front panel is durable, rust-proof and corrosion-resistant. 
6. User friendly installation and maintenance 
Both floor mounted and ceiling mounted available for installation; big inner sizes for fan's and filter's maintenance and replacement
| Ventilation Fan | |||||
| Model | KVF-1000 | KVF-2000 | KVF-3000 | KVF-5000 | KVF-8000 | 
| Material | Rock-wool sandwich panel / Galvainzed steel / Stainless steel | ||||
| Size(W*L*Hmm) | 800*450*450 | 850*500*500 | 850*550*550 | 1000*650*650 | 1100*750*750 | 
| Air fiow (m³/h) | 1000 | 2000 | 3000 | 5000 | 8000 | 
| Total pressure | 300 | 300 | 450 | 480 | 700 | 
| Power supply (V) | 380/220 | 380/220 | 380/220 | 380 | 380 | 
| Noise (dB) | 45 | 54 | 60 | 65 | 70 | 
| Inlet port (W*H) | 390*390 | 440*440 | 490*490 | 590*590 | 690*690 | 

