1. **Low Initial Resistance and High Dust-Holding Capacity**: The filter element has low initial resistance, a large dust-holding capacity, and a long service life, with an overall filtration efficiency of up to 99.9%.  
2. **Durable Shell Material**: The shell is made of impact-resistant polypropylene, capable of continuous operation in temperatures ranging from -40°C to +80°C, and can withstand short-term exposure to temperatures as high as +100°C.  
3. **Easy Filter Element Replacement**: Replacing the filter element is simple and does not require any tools.