Guaranteed to fit square American standardard air conditioners up to a size of 24" long x 24" wide x 30" high. Central air conditioner cover elastic hem cord with a toggle allows adjustment for a tight and custom fit. Air vent cover helps prevent snow and water from getting into the vent. Air conditioner cover outdoor reducing interior humidity. Air conditioning cover for the outside unit won't crack in cold or hot weather. Outdoor air conditioner covers padded handles for easy fitting and removal. Central air conditioner cover elastic hem cord with a toggle allows adjustment for a tight and custom fit.