Provided with a gasket to seal on enclosure surface. Mount to enclosure wall thickness up to .160″ with standard screws. Internal vent channel & grille reduces insect intrusion.

=”Designed to equalize internal / external pressures and temperatures electrical enclosures are exposed to. Ventilators assist in condensation prevention by allowing enclosures to breathe. Suitable for most types of metallic and nonmetallic enclosures. Cut-in hole size: 3/4″”. Typically used in pairs for best enclosure ventilation.”