LFB Rectangular Fans with Shutters

Features:
1) Good security and performance
2) Automatically controlLED shutter system makes the shutter oPen and closed 
    automatically, and makes it dustproof, waterproof, nice looking
3) Low noise, big airflow, electricity-saving, convenient to install
4) Suitable for ventilation in places like factory and warehouse with no 
    inflammable, easy-explode or erosive air, especially in places easy to 
    produce exhaust gas and hot air
5) Size: LFB 950-LFB 1250
6) Airflow: 32,000 - 44,500m3/h
7) Primary competitive advantages:
    a) Experienced technical staff
    b) International approvals
    c) With larger wind flow and lower noise
    d) Competitive price