Aluminum Sliding Window with Flyscreen, GDT128A

High and low track design with height difference of 31mm; Inserted glass pane featuring good sealing, beauty and comfort; Inner window is removable, featuring safety and convenience; The upper track adopts the guide wheel to prevent falling off, the lower track adopts 80kg/120kg high load-bearing pulley; Adopting stainless steel sliding track, which is smooth and durable; Glazing bead adopts elegant curved design; Configured with 5mm 15A 5mm hollow glass, featuring high energy efficiency and comfort; Performance

Wind resistance	4.5≤p3
Airtightness	2.0≥q1＞0.5
Watertightness	250≤△p
Sound insulation	30≤Rw Ctr
Thermal insulation	3.5＞k≥3.0