Suitable for medium to large sized windows and doors.

Thermal Break Material: The interior and exterior of this profile are. joined by thermal break to reduce heat transfer. Paired with insulated glass it greatly improves energy efficiency.

Sliding Smoothly And Quietly: With top and bottom rollers and stainless steel tracks, the window glides smoothly and quietly, ensuring lasting performance

Strong Security: Standardly enquipped with BT-Lock, sealing and safety are improved.