AIR VENT FA109000 16.94x8 ALU Founda Vent
FA109000 aluminum foundation vent with slider, mill, 36 sequin of net free area per piece, Rough opening is 16-15/16" x 8", replaces a 16" x 8" block in the foundation to allow air to flow across the foundation to help prevent heat & moisture build up in the crawl space, vent is screened.This product adds a great value. Product is highly durable and very easy to use. This product is manufactured in china.