????Indoor Installation: Air Conditioner Bracket Easy breezy assembly, without exterior work.
????Fits wall from 2" to 15.2" thick, exclusive built-in bubble level to correct mounting angle.
????Simple Design: Adapts to most window units (check for window requirements description below).
????Relieve Stress on Window: Transfers the stress and weight from the window sill and sash to the support and window frame for safety. (Need to drill installing holes to window)
????Heavy Duty: Made of Solid galvanized, epoxy-coated steel, preventing the A/C to drop out of the window; Expansion screws are usually suitable for cement, brick and wood sills. (Not fits for hollow aluminum sills).