Can be mosaic 5 +27 A +5 mm hollow glass, effective insulation noise;
Folding design, 100% full open, full ventilation, wide field of vision;
Full open design, open a large area, indoor and outdoor ventilation unimpeded;
The bottom of the sliding system can bear 80 kg, the whole sliding and smooth when no noise;
High-quality foam composite tape, heat insulation, durable, better sealing effect.