Air exchanger. 1.2 A. 120 V. 185 CFM. Maximum ventilation area: 2,000 sq. ft. 12 1/4 in. (H) x 23 in. (W) x 15 in. (D). With washable "Mesh" aluminum filter. Can be installed in the attic. Made of plastic. Dark grey. Fill your home with fresh, purified air. The Venmar EA 1500 air exchanger is the most cost-effective way to improve indoor air quality and reduce excess humidity by continually exchanging stale, polluted indoor air with fresh, revitalized outdoor air. Expels excess humidity and reduces the risk of window condensation, helping to prevent damage and deterioration to your home. Only a Venmar air exchanger can guarantee you incomparable indoor air quality.