The Hessaire A68D Down Draft Evaporative Cooler is designed for economical cooling in dry/arid climates. With it’s low maintenance and simplicity of installation, it is an excellent choice for your home. The cabinets are made from 24-Gauge, G60 grade galvanized steel, with a one-piece drawn water pan for rust protection and durability. With an effective cooling space of 1150 sq. ft. to 2400 sq. ft., this product is the perfect solution for your home. Unit features a 19 in. blower wheel and has a duct size of 20 in.