Pure Enrichment HumeXL 1.3-Gallon Tower Cool Mist Humidifier Add moisture to the entire room with the Pure Enrichment HumeXL 1.3-Gallon Tower Cool Mist Humidifier ($90), designed to work in large rooms up to 400 square feet. Image Source: lowes.com Pure Enrichment HumeXL 1.3-Gallon Tower Cool Mist Humidifier $90 from lowes.com Buy Now