LL Building, Master Flow PFV1 Powered Foundation Vent, 57 sq-in Net Ventilatin..

Highlights: Black color Power - Polymer Polymer construction, enclosure with with steel screen Easy installation, fits in traditional foundation vent openings with simple plug and go operation Up to 330 CFM/airflow to eliminate moisture during peak times, 1/70th hp, 60 watts, 120 VAC Effectively removes damaging excess moisture from crawl spaces and basements, while helping to prevent the growth of mold. UL and ETL Listed