1. High quality brighter fashionable PP plastic material 2. Water capacity reaches 100L, bigger tank, less work 3. Plastic blades with high quality, less noise 4. Air flow reaches 8000m² / h. Effective area for 70m²
National patent aluminum alloy shutters with particular pneumatic opening and shutting mechanism,adopting the inclined belt to drive, ensure the shutters can open and shut fully to protect against wind or rain and dust.