With the 42 in. x 45 in. x 35 in. Down Draft Evaporative Cooler Cover, your cooler will experience less heat loss. The treated finish helps keep your cooler clean from harsh weather and debris.Designed to fit a down discharge evaporative cooler. Extends cooler life. Designed to fit a down discharge evaporative cooler. Heavy-duty canvas cover made larger to allow for shrinkage. Mildew and water resistant. Easy to install. Dimensions listed as width x depth x height.