Made in the USA, easy to install HY-C Foundation VentGuards provide a clean, professional exclusion solution. They feature a sturdy 1" hemmed frame for extra strength. The 18 gauge 3/8" expanded metal mesh excludes animals and pests. Painted galvanized steel VentGuards, 10-1/2" x 18-1/2", are available in black, gray, or white. Also available in single or 10-pack.