Air Conditioner Cover - Summer Full Cover 28x28x28 Black Provides full protection from leaves and debris buildup in your ac unit. Full 5 year manufacturer's warranty 100 percent satisfaction guarantee PremierAcCovers Summer/All-season full covers are made of heavy duty, long lasting, open mesh material.They may be left on while the unit is running. All of our covers are made in America using American materials and labor. 100% satisfaction guarenteed.