Product Introduction
1. The double inner screen fan adopts customized special quick-opening hinges;
2. Three rubber strips are used to seal the opening to separate the watertight room from the airtight room
3. The outer frame adopts a floor drain drainage structure design;
4. The inner fan is flush with the outer frame, and the indoor and outdoor frame fans are flush;
5. The pressing line has optional color jumper method;
6. The outer frame, rotating frame and fan are designed with extruded aluminum bonding process;
7. The angle flat steel used is 304 stainless steel veneer steel plate;
8. The fixed position pressing line bevel design is more beautiful;
9. The small window screens of double inner opening windows and micro-ventilation windows can be installed with diamond mesh or high-transmittance mesh;
10. The outdoor clearance width of the micro-ventilation window is 10mm, which meets the safety requirements of relevant regulations;
11. The overall frame adopts internal and external…