DOUBLE INTERNAL OPENING UNIVERSAL WINDOW

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…

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