AL75A

• Split slim frame design, low heat consumption, and strong sound insulation
• Outdoor visible surface structural frame+fan width up to 73.5mm
• Upgrading the thermal resistance notch of the profile from AA notch to DD notch
• Glass can be configured with three layers of high energy saving glass
• Classical or modern hardware configuration with anti fall safety design
• Fully upgraded high-quality sealant strip that can achieve three sealing effects