Crawl Space Door Systems Crawl Door 12" x 20" is constructed of durable ABS / UV treated plastic, and is the only vented crawlspace door on the market. Crawl Door 12" x 20" comes in a black color, with dimensions of 12" x 20". Crawl Door 12" x 20" will not rust or rot, like wood or metal vents.
Controlled Pest: moisture, termites, other pests.
Use on: crawlspaces.