Window Air Conditioner Support Bracket: Adjustable Anti-Slip Shock-Absorbing Mat Window Safe Bracket Built-In Bubble Level - 5000 To12000 BTU AC Units Window Mount Bracket up to 85 Lbs. [ Heavy-Duty Weather-Resistant Material ] -This window air conditioner support bracket is Crafted from galvanized steel with a robust epoxy finish, our window air conditioner support bracket is designed to resist rust and corrosion.