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| Customization: | Available |
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| Material: | Aluminum |
| Usage: | for Experiment, for Air Conditioner, for Manufacture, for Refrigerate |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Feature | Gravity Fan | Push-Pull Fan |
| Blade Size | Narrower blades | Wider blades |
| Airflow (Same RPM & Motor Power) | Slightly lower airflow | Higher airflow due to wider blades |
| Louver Mechanism | Two counterweighted pendulums (no power needed) | Mechanical slider mechanism (directly connected to blades & hub) |
| Motor Position | Can be top or bottom mounted | Always top-mounted |
| Fan Width | 400mm (standard) | 450mm (standard) |
| Material Thickness | Standard galvanized steel | Thicker material, higher zinc coating, better corrosion resistance |
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