DESC: Broan-NuTone AE60 Whole-House Air Exchanger Since their beginning in 1932, Broan has pioneered many of the product innovations now established as standards of the industry. Today, Broan carries on the commitment to provide the finest products in the industry.Broan-NuTone AE60 Whole-House Air Exchanger Features:; Indoor Air Quality, AE60; Air Exchanger, 160 ?ó?é¼?Ç£ 185 CFM; Ideal for homes with a bathroom fan and up to 2,000 square feet; Delivers 160 CFM (including 30 CFM of outdoor fresh air) to 185 CFM (including 55 CFM of fresh air); Cost-effective solution to dilute contaminants inside your home; Balanced ventilation - continually mixes outdoor air with indoor air, reducing the level of contaminants; Wall control with three control option settings included - normal, boost and recirculation modes* Special order item, non cancelable and non returnable.