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Air Quaility, Bath & Exhaust Fans, Crawl Space Ventilation Fans / Accessories
Deluxe Crawlspace Passive Foundation Vent Passive Foundation Vent can be used to provide foundations with passive ventilation or can be used along with a fan-powered crawl space ventilator for maximum effectiveness. This unit not only provide ventilation during the warmer months, but also includes a winter door, which allows homeowners to fully seal the crawl space during the heating season--greatly improving the home's energy efficiency. This vent can be completely installed from the outside of the crawl space in minutes. 19-1/2" W X 10" H (detailed dimensions HERE) Benefits: Increase crawl space air flow to decrease moisture Reduce heat loss through crawl space vents during the heating season Help prevent pipes from freezing Has a heavy duty screen and high quality ABS