1.This universal design can be used with air conditioners of up to 9,000 - 24,000 BTUs in weight capacity, up to 360 lb. 2.It is made of thick stainless steel for durability. 3.The condensing unit is raised off the ground to protect it from dirt, snow, debris, floods, and other potential hazards. 4.It is easy to install - the mounting method is simple and it can be adapted to many occasions. 5.Included 4 rubber pads,4 bracket serews and 4 expansion screws.