Universal Design for Most Window Units: This window ac bracket is engineered to fit most window air conditioner units on the market. Compatible with solid window sills, brick, cement, and solid wood surfaces, and adapts to tilted installation surfaces Durable All-Weather Quality: Constructed from heavy-duty steel with a powder-coated finish, this ac window bracket withstands sun, rain, and temperature changes for long-term outdoor use. Designed to survive all weather elements without rust or corrosion Sturdy Two-Piece Structure: As a reliable ac brackets for windows, its simple two-piece design provides extra strength while remaining lightweight. Max load capacity 85 lbs, supporting 5,000 to 10,000 BTU window units Easy Indoor Installation: This air conditioner support bracket installs quickly from inside your home. All hardware included—no drilling into outside walls or siding required. Simply drill into the window sill for a secure fit Built-in Bubble Level & Wall Thickness Range: This window ac support bracket fits wall thickness from 2" to 11". The exclusive built-in bubble level helps you correct the mounting slope position for proper drainage and secure installation Universal air conditioner support bracket,Window Air Conditioner Bracket，window ac bracket,ac window bracket