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 pervention by allowing enclosures to breathe. Suitable for most types of metallic and nonmetallic enclosures. Cut-in hole size: 1 1/8″”. Typically used in pairs for best enclosure ventilation.”