This 41 in. x 37 in. x 41 in. Down Discharge Evaporative Cooler Cover is made with heavy-duty, treated canvas to help extend the life of a cooler. The cover is easy to install and is mildew- and water resistant. Made in USA. Designed to fit down-discharge evaporative coolers Treated, heavy-duty canvas Made larger to allow for shrinkage Resistant to mildew and water Easy to install Dimensions listed as width x depth x height