- The frame is made of new environmental protection material ABS, which can be customized with anti-uv ingredients to delay the aging of outdoor use.
- The structure of the surface louver is designed with a waterproof backtick, which can be effectively prevent water, sand and large objects from entering.
- The sealed Foam strip was used along the edge of the filter,and it adopts the raw materials which imported from Germany, and the sealing property is excellent.
- The filters can be replaced during operation without risk of touch with the rotating parts.
- Snap-in type installation can be directly inserted without screw fixation.
- With the rain cover, the protection level can be reached IP56.