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By certification 
T35, BT35, BFT3-11 axial air flow ventilation machine, low noise, simple structure, firmness and durability can be changed into explosion-proof, anti-corrosion, widely used in ventilation plant, warehouse, office buildings, residential and other occasions.
Quantity: 613 ~ 64825m ³ / h
Total: 32 ~ 399Pa
Machine: 2.8 ~ 11.2 a total of 13 kinds of specifications
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