【Window Compatibility】AC brackets no drill easily adjusts to fit small and large single or double-hung window widths from 31.5" to 41.7" and all types of wall thicknesses from 3" to 12",【Large Load Bearing】 Holding up to 220 lbs, AC brackets no drilling designed for 5,000-24,000 BTU AC units. Securely hold your AC unit in place for worry-free use.,【Easy Installation】 No need to drill into your window sill, making installation easy and convenient without causing any damage to your window or wall.,【Upgraded Support Structure】 Support legs and the support rod provide extra solid support inside & outside, and the anti-slip rubber pad adds stability.,【Weather Resistance】 Premium steel plate coated with epoxy, providing durability and long-lasting use that can withstand harsh weather conditions.