Min. Order Reference FOB Price
10 Pieces US$100.00-150.00 / Piece
Product Description
Negative-pressure air fan Main functions: ventilation, exhaust smoke , exhaust odour Features: low investment cost, large volume of air, low noise, low energy consumption, stable operation, long life, high efficiency and so on. Shutters can be dustproof, waterproof, beautiful and generous. It is ...