The Ultra-Aire UA-135H Air Purifying Dehumidifier is a ventilating dehumidifier designed to improve air quality. The device delivers fresh-air ventilation, particulate filtration and humidity control. The dehumidifier is capable of removing more than 17 gallons of water per day and maintains indoor humidity levels below 50 percent. The product also features a compact, horizontal enclosure design, ideal for attics and crawl-space installations in residential and light commercial buildings with areas up to 3,500 square feet.

Therma-Stor LLC, P.O. Box 8050, Madison, WI 53708; (800) 533-7533; fax (608) 222-1447; www.thermastor.com.