Frost King Air Conditioner Support Air conditioner supports transfer the weight of the air conditioner from the window sash and sill to the support and window frame. Constructed for long service life, made of epoxy-coated steel with stainless steel hardware, nylon fixtures, and neoprene rubber mounting pads. Air conditioner supports ensure a more secure installation with minimal chance of damage to the window, window parts, or outside wall. Fits wall thickness 4 inches to 11 inches. Easy indoor installation eliminates all exterior work. All-weather construction. 2-year limited warranty. White. Type Light-Duty, Load Rating 80 Lb., Material Epoxy-Coated Steel, For Use With 5000 To 10,000 BTU Units, Pkg Qty 1, Package Type Clamshell