powerless roof exhaust ventilator fan wind driven roof turbo ventilator turbine exhaust fan
Features:
1) roof fan Automatically operate.Save labor, save time.
2) No operating cost, no electricity consumption, environmental protection, energy-saving
3) roof exhaust fan No maintenance needed, life-long service
4) Light weight, strong and durable construction
5) ventilation fan roof Weather resistance, strong fray resistance, fine non-validity, self-cleanness, high revolving sensitivity and high air venting efficiency.
6) Easy installation. Installation Position: flat roof, pitched roof, concrete roof and contour plate of va rious industrial plants.
Parameters:
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